Revert "DI: Fold constant arguments into a single MDString"

[oota-llvm.git] / test / CodeGen / ARM / unaligned_load_store.ll

diff --git a/test/CodeGen/ARM/unaligned_load_store.ll b/test/CodeGen/ARM/unaligned_load_store.ll
index dad1897463a68705d42535bef1f1ceda87a7d9fe..72163ae30c389c389f1268b71396b97598934c32 100644 (file)
--- a/test/CodeGen/ARM/unaligned_load_store.ll
+++ b/test/CodeGen/ARM/unaligned_load_store.ll
@@ -1,16 +1,82 @@
-; RUN: llvm-as < %s | \
-; RUN:   llc -march=arm -o %t -f
-; RUN: grep ldrb %t | count 4
-; RUN: grep strb %t | count 4
+; RUN: llc -mtriple=arm-eabi -pre-RA-sched=source %s -o - \
+; RUN: | FileCheck %s -check-prefix=EXPANDED
 
+; RUN: llc -mtriple=armv6-apple-darwin -mcpu=cortex-a8 -mattr=-neon -arm-strict-align -pre-RA-sched=source %s -o - \
+; RUN: | FileCheck %s -check-prefix=EXPANDED
 
-       %struct.p = type <{ i8, i32 }>
-@t = global %struct.p <{ i8 1, i32 10 }>               ; <%struct.p*> [#uses=1]
-@u = weak global %struct.p zeroinitializer             ; <%struct.p*> [#uses=1]
+; RUN: llc -mtriple=armv6-apple-darwin -mcpu=cortex-a8 %s -o - \
+; RUN: | FileCheck %s -check-prefix=UNALIGNED
 
-define i32 @main() {
+; rdar://7113725
+; rdar://12091029
+
+define void @t(i8* nocapture %a, i8* nocapture %b) nounwind {
+entry:
+; EXPANDED-LABEL: t:
+; EXPANDED: ldrb [[R2:r[0-9]+]]
+; EXPANDED: ldrb [[R3:r[0-9]+]]
+; EXPANDED: ldrb [[R12:r[0-9]+]]
+; EXPANDED: ldrb [[R1:r[0-9]+]]
+; EXPANDED: strb [[R1]]
+; EXPANDED: strb [[R12]]
+; EXPANDED: strb [[R3]]
+; EXPANDED: strb [[R2]]
+
+; UNALIGNED-LABEL: t:
+; UNALIGNED: ldr r1
+; UNALIGNED: str r1
+
+  %__src1.i = bitcast i8* %b to i32*              ; <i32*> [#uses=1]
+  %__dest2.i = bitcast i8* %a to i32*             ; <i32*> [#uses=1]
+  %tmp.i = load i32* %__src1.i, align 1           ; <i32> [#uses=1]
+  store i32 %tmp.i, i32* %__dest2.i, align 1
+  ret void
+}
+
+define void @hword(double* %a, double* %b) nounwind {
 entry:
-       %tmp3 = load i32* getelementptr (%struct.p* @t, i32 0, i32 1), align 1          ; <i32> [#uses=2]
-       store i32 %tmp3, i32* getelementptr (%struct.p* @u, i32 0, i32 1), align 1
-       ret i32 %tmp3
+; EXPANDED-LABEL: hword:
+; EXPANDED-NOT: vld1
+; EXPANDED: ldrh
+; EXPANDED-NOT: str1
+; EXPANDED: strh
+
+; UNALIGNED-LABEL: hword:
+; UNALIGNED: vld1.16
+; UNALIGNED: vst1.16
+  %tmp = load double* %a, align 2
+  store double %tmp, double* %b, align 2
+  ret void
+}
+
+define void @byte(double* %a, double* %b) nounwind {
+entry:
+; EXPANDED-LABEL: byte:
+; EXPANDED-NOT: vld1
+; EXPANDED: ldrb
+; EXPANDED-NOT: str1
+; EXPANDED: strb
+
+; UNALIGNED-LABEL: byte:
+; UNALIGNED: vld1.8
+; UNALIGNED: vst1.8
+  %tmp = load double* %a, align 1
+  store double %tmp, double* %b, align 1
+  ret void
+}
+
+define void @byte_word_ops(i32* %a, i32* %b) nounwind {
+entry:
+; EXPANDED-LABEL: byte_word_ops:
+; EXPANDED: ldrb
+; EXPANDED: strb
+
+; UNALIGNED-LABEL: byte_word_ops:
+; UNALIGNED-NOT: ldrb
+; UNALIGNED: ldr
+; UNALIGNED-NOT: strb
+; UNALIGNED: str
+  %tmp = load i32* %a, align 1
+  store i32 %tmp, i32* %b, align 1
+  ret void
 }