1 ; RUN: llc -mtriple thumbv5-none-linux-gnueabi < %s | FileCheck %s 2 3 %struct.C = type { [1000 x i8] } 4 %struct.S = type { [1000 x i16] } 5 %struct.I = type { [1000 x i32] } 6 7 ;CHECK-LABEL: pass_C: 8 ;CHECK-NOT: ldrb r{{[0-9]+}}, [{{.*}}], #1 9 ;CHECK-NOT: strb r{{[0-9]+}}, [{{.*}}], #1 10 define void @pass_C() #0 { 11 entry: 12 %c = alloca %struct.C, align 1 13 %0 = getelementptr inbounds %struct.C* %c, i32 0, i32 0, i32 0 14 call void @llvm.lifetime.start(i64 1000, i8* %0) #1 15 call void @use_C(%struct.C* byval %c) #3 16 call void @llvm.lifetime.end(i64 1000, i8* %0) #1 17 ret void 18 } 19 20 ;CHECK-LABEL: pass_S: 21 ;CHECK-NOT: ldrh r{{[0-9]+}}, [{{.*}}], #2 22 ;CHECK-NOT: strh r{{[0-9]+}}, [{{.*}}], #2 23 define void @pass_S() #0 { 24 entry: 25 %s = alloca %struct.S, align 2 26 %0 = bitcast %struct.S* %s to i8* 27 call void @llvm.lifetime.start(i64 2000, i8* %0) #1 28 call void @use_S(%struct.S* byval %s) #3 29 call void @llvm.lifetime.end(i64 2000, i8* %0) #1 30 ret void 31 } 32 33 ;CHECK-LABEL: pass_I: 34 ;CHECK-NOT: ldr r{{[0-9]+}}, [{{.*}}], #4 35 ;CHECK-NOT: str r{{[0-9]+}}, [{{.*}}], #4 36 define void @pass_I() #0 { 37 entry: 38 %i = alloca %struct.I, align 4 39 %0 = bitcast %struct.I* %i to i8* 40 call void @llvm.lifetime.start(i64 4000, i8* %0) #1 41 call void @use_I(%struct.I* byval %i) #3 42 call void @llvm.lifetime.end(i64 4000, i8* %0) #1 43 ret void 44 } 45 46 declare void @use_C(%struct.C* byval) #2 47 declare void @use_S(%struct.S* byval) #2 48 declare void @use_I(%struct.I* byval) #2 49 50 declare void @llvm.lifetime.start(i64, i8* nocapture) #1 51 declare void @llvm.lifetime.end(i64, i8* nocapture) #1 52 53 54 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" } 55 attributes #1 = { nounwind } 56 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" } 57 attributes #3 = { nounwind optsize } 58
