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283 lines
9.5 KiB
Plaintext
283 lines
9.5 KiB
Plaintext
// #target: macos-x64
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import std::io;
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fn void res(int a)
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{
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io::printn(a);
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}
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fn void test1(int a)
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{
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switch (a) @jump
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{
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case 1: res(1);
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case 0:
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case 2: res(2);
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}
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res(0);
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}
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fn void test2(int a)
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{
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switch (a) @jump
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{
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case 1: res(1);
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case 2: res(2);
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}
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}
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fn void test3(int a)
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{
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switch (a) @jump
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{
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case 1: res(1);
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case 3: res(3);
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}
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}
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fn void test4(int a)
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{
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switch (a) @jump
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{
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case 1: res(1);
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default: res(-1);
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}
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}
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fn void test5(int a)
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{
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switch (a) @jump
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{
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case 1: res(1);
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case 4: res(4);
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default: res(-1);
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}
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}
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fn void test6(int a)
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{
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switch (a) @jump
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{
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case 1: res(1);
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case 4: res(4);
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case 5: nextcase(a * 2);
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default: res(-1);
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}
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}
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/* #expect: simple_jump.ll
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@jumptable = private unnamed_addr constant [3 x ptr] [ptr blockaddress(@simple_jump.test1, %switch.case1), ptr blockaddress(@simple_jump.test1, %switch.case), ptr blockaddress(@simple_jump.test1, %switch.case1)], align 8
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@jumptable.1 = private unnamed_addr constant [2 x ptr] [ptr blockaddress(@simple_jump.test2, %switch.case), ptr blockaddress(@simple_jump.test2, %switch.case1)], align 8
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@jumptable.2 = private unnamed_addr constant [3 x ptr] [ptr blockaddress(@simple_jump.test3, %switch.case), ptr blockaddress(@simple_jump.test3, %switch.exit), ptr blockaddress(@simple_jump.test3, %switch.case1)], align 8
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@jumptable.3 = private unnamed_addr constant [1 x ptr] [ptr blockaddress(@simple_jump.test4, %switch.case)], align 8
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@jumptable.4 = private unnamed_addr constant [4 x ptr] [ptr blockaddress(@simple_jump.test5, %switch.case), ptr blockaddress(@simple_jump.test5, %switch.default), ptr blockaddress(@simple_jump.test5, %switch.default), ptr blockaddress(@simple_jump.test5, %switch.case1)], align 8
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@jumptable.5 = private unnamed_addr constant [5 x ptr] [ptr blockaddress(@simple_jump.test6, %switch.case), ptr blockaddress(@simple_jump.test6, %switch.default), ptr blockaddress(@simple_jump.test6, %switch.default), ptr blockaddress(@simple_jump.test6, %switch.case1), ptr blockaddress(@simple_jump.test6, %switch.case2)], align 8
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after_check12: ; preds = %noerr_block8
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br label %noerr_block14
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guard_block13: ; preds = %assign_optional11
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br label %voiderr
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noerr_block14: ; preds = %after_check12
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%14 = load i64, ptr %len, align 8
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%add = add i64 %14, 1
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br label %voiderr
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voiderr: ; preds = %noerr_block14, %guard_block13, %guard_block7, %guard_block
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ret void
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}
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define void @simple_jump.test1(i32 %0) #0 {
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entry:
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%switch = alloca i32, align 4
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store i32 %0, ptr %switch, align 4
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br label %switch.entry
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switch.entry: ; preds = %entry
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%1 = load i32, ptr %switch, align 4
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%2 = icmp ugt i32 %1, 2
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br i1 %2, label %switch.exit, label %jumpblock
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jumpblock: ; preds = %switch.entry
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%ptroffset = getelementptr inbounds [8 x i8], ptr @jumptable, i32 %1
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%target = load ptr, ptr %ptroffset, align 8
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indirectbr ptr %target, [label %switch.case, label %switch.case1, label %switch.exit]
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switch.case: ; preds = %jumpblock
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call void @simple_jump.res(i32 1)
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br label %switch.exit
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switch.case1: ; preds = %jumpblock
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call void @simple_jump.res(i32 2)
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br label %switch.exit
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switch.exit: ; preds = %jumpblock, %switch.case1, %switch.case, %switch.entry
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call void @simple_jump.res(i32 0)
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ret void
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}
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define void @simple_jump.test2(i32 %0) #0 {
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entry:
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%switch = alloca i32, align 4
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store i32 %0, ptr %switch, align 4
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br label %switch.entry
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switch.entry: ; preds = %entry
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%1 = load i32, ptr %switch, align 4
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%2 = sub i32 %1, 1
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%3 = icmp ugt i32 %2, 1
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br i1 %3, label %switch.exit, label %jumpblock
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jumpblock: ; preds = %switch.entry
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%ptroffset = getelementptr inbounds [8 x i8], ptr @jumptable.1, i32 %2
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%target = load ptr, ptr %ptroffset, align 8
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indirectbr ptr %target, [label %switch.case, label %switch.case1, label %switch.exit]
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switch.case: ; preds = %jumpblock
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call void @simple_jump.res(i32 1)
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br label %switch.exit
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switch.case1: ; preds = %jumpblock
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call void @simple_jump.res(i32 2)
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br label %switch.exit
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switch.exit: ; preds = %jumpblock, %switch.case1, %switch.case, %switch.entry
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ret void
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}
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define void @simple_jump.test3(i32 %0) #0 {
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entry:
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%switch = alloca i32, align 4
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store i32 %0, ptr %switch, align 4
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br label %switch.entry
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switch.entry: ; preds = %entry
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%1 = load i32, ptr %switch, align 4
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%2 = sub i32 %1, 1
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%3 = icmp ugt i32 %2, 2
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br i1 %3, label %switch.exit, label %jumpblock
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jumpblock: ; preds = %switch.entry
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%ptroffset = getelementptr inbounds [8 x i8], ptr @jumptable.2, i32 %2
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%target = load ptr, ptr %ptroffset, align 8
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indirectbr ptr %target, [label %switch.case, label %switch.case1, label %switch.exit, label %switch.exit]
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switch.case: ; preds = %jumpblock
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call void @simple_jump.res(i32 1)
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br label %switch.exit
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switch.case1: ; preds = %jumpblock
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call void @simple_jump.res(i32 3)
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br label %switch.exit
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switch.exit: ; preds = %jumpblock, %jumpblock, %switch.case1, %switch.case, %switch.entry
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ret void
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}
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define void @simple_jump.test4(i32 %0) #0 {
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entry:
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%switch = alloca i32, align 4
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store i32 %0, ptr %switch, align 4
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br label %switch.entry
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switch.entry: ; preds = %entry
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%1 = load i32, ptr %switch, align 4
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%2 = sub i32 %1, 1
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%3 = icmp ugt i32 %2, 0
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br i1 %3, label %switch.default, label %jumpblock
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jumpblock: ; preds = %switch.entry
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%ptroffset = getelementptr inbounds [8 x i8], ptr @jumptable.3, i32 %2
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%target = load ptr, ptr %ptroffset, align 8
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indirectbr ptr %target, [label %switch.case, label %switch.default]
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switch.case: ; preds = %jumpblock
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call void @simple_jump.res(i32 1)
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br label %switch.exit
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switch.default: ; preds = %jumpblock, %switch.entry
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call void @simple_jump.res(i32 -1)
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br label %switch.exit
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switch.exit: ; preds = %switch.default, %switch.case
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ret void
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}
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define void @simple_jump.test5(i32 %0) #0 {
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entry:
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%switch = alloca i32, align 4
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store i32 %0, ptr %switch, align 4
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br label %switch.entry
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switch.entry: ; preds = %entry
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%1 = load i32, ptr %switch, align 4
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%2 = sub i32 %1, 1
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%3 = icmp ugt i32 %2, 3
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br i1 %3, label %switch.default, label %jumpblock
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jumpblock: ; preds = %switch.entry
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%ptroffset = getelementptr inbounds [8 x i8], ptr @jumptable.4, i32 %2
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%target = load ptr, ptr %ptroffset, align 8
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indirectbr ptr %target, [label %switch.case, label %switch.case1, label %switch.default, label %switch.default]
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switch.case: ; preds = %jumpblock
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call void @simple_jump.res(i32 1)
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br label %switch.exit
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switch.case1: ; preds = %jumpblock
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call void @simple_jump.res(i32 4)
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br label %switch.exit
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switch.default: ; preds = %jumpblock, %jumpblock, %switch.entry
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call void @simple_jump.res(i32 -1)
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br label %switch.exit
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switch.exit: ; preds = %switch.default, %switch.case1, %switch.case
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ret void
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}
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; Function Attrs: nounwind uwtable
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define void @simple_jump.test6(i32 %0) #0 {
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entry:
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%switch = alloca i32, align 4
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store i32 %0, ptr %switch, align 4
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br label %switch.entry
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switch.entry: ; preds = %entry
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%1 = load i32, ptr %switch, align 4
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%2 = sub i32 %1, 1
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%3 = icmp ugt i32 %2, 4
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br i1 %3, label %switch.default, label %jumpblock
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jumpblock: ; preds = %switch.entry
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%ptroffset = getelementptr inbounds [8 x i8], ptr @jumptable.5, i32 %2
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%target = load ptr, ptr %ptroffset, align 8
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indirectbr ptr %target, [label %switch.case, label %switch.case1, label %switch.case2, label %switch.default, label %switch.default]
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switch.case: ; preds = %jumpblock, %jumpblock3
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call void @simple_jump.res(i32 1)
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br label %switch.exit
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switch.case1: ; preds = %jumpblock, %jumpblock3
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call void @simple_jump.res(i32 4)
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br label %switch.exit
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switch.case2: ; preds = %jumpblock, %jumpblock3
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%mul = mul i32 %0, 2
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%4 = sub i32 %mul, 1
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%5 = icmp ugt i32 %4, 4
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br i1 %5, label %switch.default, label %jumpblock3
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jumpblock3: ; preds = %switch.case2
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%ptroffset4 = getelementptr inbounds [8 x i8], ptr @jumptable.5, i32 %4
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%target5 = load ptr, ptr %ptroffset4, align 8
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indirectbr ptr %target5, [label %switch.case, label %switch.case1, label %switch.case2, label %switch.default]
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switch.default: ; preds = %jumpblock, %jumpblock, %jumpblock3, %switch.case2, %switch.entry
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call void @simple_jump.res(i32 -1)
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br label %switch.exit
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switch.exit: ; preds = %switch.default, %switch.case1, %switch.case
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ret void
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} |