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58 lines
2.2 KiB
LLVM
58 lines
2.2 KiB
LLVM
; RUN: llc -mtriple thumbv5-none-linux-gnueabi < %s | FileCheck %s
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%struct.C = type { [1000 x i8] }
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%struct.S = type { [1000 x i16] }
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%struct.I = type { [1000 x i32] }
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;CHECK-LABEL: pass_C:
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;CHECK-NOT: ldrb r{{[0-9]+}}, [{{.*}}], #1
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;CHECK-NOT: strb r{{[0-9]+}}, [{{.*}}], #1
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define void @pass_C() #0 {
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entry:
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%c = alloca %struct.C, align 1
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%0 = getelementptr inbounds %struct.C, %struct.C* %c, i32 0, i32 0, i32 0
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call void @llvm.lifetime.start.p0i8(i64 1000, i8* %0) #1
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call void @use_C(%struct.C* byval %c) #3
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call void @llvm.lifetime.end.p0i8(i64 1000, i8* %0) #1
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ret void
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}
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;CHECK-LABEL: pass_S:
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;CHECK-NOT: ldrh r{{[0-9]+}}, [{{.*}}], #2
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;CHECK-NOT: strh r{{[0-9]+}}, [{{.*}}], #2
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define void @pass_S() #0 {
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entry:
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%s = alloca %struct.S, align 2
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%0 = bitcast %struct.S* %s to i8*
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call void @llvm.lifetime.start.p0i8(i64 2000, i8* %0) #1
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call void @use_S(%struct.S* byval %s) #3
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call void @llvm.lifetime.end.p0i8(i64 2000, i8* %0) #1
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ret void
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}
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;CHECK-LABEL: pass_I:
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;CHECK-NOT: ldr r{{[0-9]+}}, [{{.*}}], #4
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;CHECK-NOT: str r{{[0-9]+}}, [{{.*}}], #4
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define void @pass_I() #0 {
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entry:
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%i = alloca %struct.I, align 4
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%0 = bitcast %struct.I* %i to i8*
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call void @llvm.lifetime.start.p0i8(i64 4000, i8* %0) #1
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call void @use_I(%struct.I* byval %i) #3
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call void @llvm.lifetime.end.p0i8(i64 4000, i8* %0) #1
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ret void
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}
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declare void @use_C(%struct.C* byval) #2
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declare void @use_S(%struct.S* byval) #2
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declare void @use_I(%struct.I* byval) #2
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declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
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declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
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attributes #0 = { nounwind optsize "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-frame-pointer-elim-non-leaf"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #1 = { nounwind }
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attributes #2 = { optsize "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-frame-pointer-elim-non-leaf"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #3 = { nounwind optsize }
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