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Diffstat (limited to 'test/CodeGen/PowerPC/sjlj.ll')
-rw-r--r-- | test/CodeGen/PowerPC/sjlj.ll | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/sjlj.ll b/test/CodeGen/PowerPC/sjlj.ll new file mode 100644 index 0000000000..7ea35dafc3 --- /dev/null +++ b/test/CodeGen/PowerPC/sjlj.ll @@ -0,0 +1,112 @@ +; RUN: llc < %s -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 | FileCheck %s +; RUN: llc < %s -mtriple=powerpc64-unknown-linux-gnu -mcpu=a2 | FileCheck -check-prefix=CHECK-NOAV %s +target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f128:128:128-v128:128:128-n32:64" +target triple = "powerpc64-unknown-linux-gnu" + +%struct.__jmp_buf_tag = type { [64 x i64], i32, %struct.__sigset_t, [8 x i8] } +%struct.__sigset_t = type { [16 x i64] } + +@env_sigill = internal global [1 x %struct.__jmp_buf_tag] zeroinitializer, align 16 + +define void @foo() #0 { +entry: + call void @llvm.eh.sjlj.longjmp(i8* bitcast ([1 x %struct.__jmp_buf_tag]* @env_sigill to i8*)) + unreachable + +; CHECK: @foo +; CHECK: addis [[REG:[0-9]+]], 2, env_sigill@toc@ha +; CHECK: addi [[REG]], [[REG]], env_sigill@toc@l +; CHECK: ld 31, 0([[REG]]) +; CHECK: ld [[REG2:[0-9]+]], 8([[REG]]) +; CHECK: ld 1, 16([[REG]]) +; CHECK: mtctr [[REG2]] +; CHECK: ld 2, 24([[REG]]) +; CHECK: bctr + +return: ; No predecessors! + ret void +} + +declare void @llvm.eh.sjlj.longjmp(i8*) #1 + +define signext i32 @main() #0 { +entry: + %retval = alloca i32, align 4 + store i32 0, i32* %retval + %0 = call i8* @llvm.frameaddress(i32 0) + store i8* %0, i8** bitcast ([1 x %struct.__jmp_buf_tag]* @env_sigill to i8**) + %1 = call i8* @llvm.stacksave() + store i8* %1, i8** getelementptr (i8** bitcast ([1 x %struct.__jmp_buf_tag]* @env_sigill to i8**), i32 2) + %2 = call i32 @llvm.eh.sjlj.setjmp(i8* bitcast ([1 x %struct.__jmp_buf_tag]* @env_sigill to i8*)) + %tobool = icmp ne i32 %2, 0 + br i1 %tobool, label %if.then, label %if.else + +if.then: ; preds = %entry + store i32 1, i32* %retval + br label %return + +if.else: ; preds = %entry + call void @foo() + br label %if.end + +if.end: ; preds = %if.else + store i32 0, i32* %retval + br label %return + +return: ; preds = %if.end, %if.then + %3 = load i32* %retval + ret i32 %3 + +; FIXME: We should be saving VRSAVE on Darwin, but we're not! + +; CHECK: @main +; CHECK: std +; Make sure that we're not saving VRSAVE on non-Darwin: +; CHECK-NOT: mfspr +; CHECK: stfd +; CHECK: stvx + +; CHECK: addis [[REG:[0-9]+]], 2, env_sigill@toc@ha +; CHECK: std 31, env_sigill@toc@l([[REG]]) +; CHECK: addi [[REG]], [[REG]], env_sigill@toc@l +; CHECK: std [[REG]], [[OFF:[0-9]+]](31) # 8-byte Folded Spill +; CHECK: std 1, 16([[REG]]) +; CHECK: std 2, 24([[REG]]) +; CHECK: bcl 20, 31, .LBB1_1 +; CHECK: li 3, 1 +; CHECK: #EH_SjLj_Setup .LBB1_1 +; CHECK: b .LBB1_2 + +; CHECK: .LBB1_1: +; CHECK: mflr [[REGL:[0-9]+]] +; CHECK: ld [[REG2:[0-9]+]], [[OFF]](31) # 8-byte Folded Reload +; CHECK: std [[REGL]], 8([[REG2]]) +; CHECK: li 3, 0 + +; CHECK: .LBB1_2: + +; CHECK: lfd +; CHECK: lvx +; CHECK: ld +; CHECK: blr + +; CHECK-NOAV: @main +; CHECK-NOAV-NOT: stvx +; CHECK-NOAV: bcl +; CHECK-NOAV: mflr +; CHECK-NOAV: bl foo +; CHECK-NOAV-NOT: lvx +; CHECK-NOAV: blr +} + +declare i8* @llvm.frameaddress(i32) #2 + +declare i8* @llvm.stacksave() #3 + +declare i32 @llvm.eh.sjlj.setjmp(i8*) #3 + +attributes #0 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-frame-pointer-elim-non-leaf"="true" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" } +attributes #1 = { noreturn nounwind } +attributes #2 = { nounwind readnone } +attributes #3 = { nounwind } + |