[PATCH] [clang] Update a test-case affected by IntToPtr/PtrToInt being folded into Loads
Philip Pfaffe
philip.pfaffe at gmail.com
Tue Apr 21 07:38:05 PDT 2015
Hi majnemer, chandlerc,
When folding IntToPtr or PtrToInt into Loads as in {{D9152}}, the mips-varargs test-case needs to be updated.
REPOSITORY
rL LLVM
http://reviews.llvm.org/D9153
Files:
test/CodeGen/mips-varargs.c
Index: test/CodeGen/mips-varargs.c
===================================================================
--- test/CodeGen/mips-varargs.c
+++ test/CodeGen/mips-varargs.c
@@ -111,14 +111,14 @@
// ALL: [[VA1:%.+]] = bitcast i8** %va to i8*
// ALL: call void @llvm.va_start(i8* [[VA1]])
//
-// O32: [[AP_CUR:%.+]] = load i8*, i8** %va, align [[PTRALIGN]]
+// O32: [[TMP0:%.+]] = bitcast i8** %va to i32*
+// O32: [[AP_CUR:%.+]] = load [[INTPTR_T:i32]], i32* [[TMP0]], align [[PTRALIGN]]
// NEW: [[TMP0:%.+]] = bitcast i8** %va to i64**
// NEW: [[AP_CUR:%.+]] = load i64*, i64** [[TMP0]], align [[PTRALIGN]]
//
// i64 is 8-byte aligned, while this is within O32's stack alignment there's no
// guarantee that the offset is still 8-byte aligned after earlier reads.
-// O32: [[PTR0:%.+]] = ptrtoint i8* [[AP_CUR]] to [[INTPTR_T:i32]]
-// O32: [[PTR1:%.+]] = add i32 [[PTR0]], 7
+// O32: [[PTR1:%.+]] = add i32 [[AP_CUR]], 7
// O32: [[PTR2:%.+]] = and i32 [[PTR1]], -8
// O32: [[PTR3:%.+]] = inttoptr [[INTPTR_T]] [[PTR2]] to i64*
// O32: [[PTR4:%.+]] = inttoptr [[INTPTR_T]] [[PTR2]] to i8*
@@ -200,11 +200,14 @@
// ALL: %va = alloca i8*, align [[PTRALIGN]]
// ALL: [[VA1:%.+]] = bitcast i8** %va to i8*
// ALL: call void @llvm.va_start(i8* [[VA1]])
-// ALL: [[AP_CUR:%.+]] = load i8*, i8** %va, align [[PTRALIGN]]
//
-// O32: [[PTR0:%.+]] = ptrtoint i8* [[AP_CUR]] to [[INTPTR_T:i32]]
-// N32: [[PTR0:%.+]] = ptrtoint i8* [[AP_CUR]] to [[INTPTR_T:i32]]
-// N64: [[PTR0:%.+]] = ptrtoint i8* [[AP_CUR]] to [[INTPTR_T:i64]]
+// O32: [[TMP0:%.+]] = bitcast i8** %va to i32*
+// N32: [[TMP0:%.+]] = bitcast i8** %va to i32*
+// N64: [[TMP0:%.+]] = bitcast i8** %va to i64*
+//
+// O32: [[PTR0:%.+]] = load [[INTPTR_T:i32]], i32* [[TMP0]], align [[PTRALIGN]]
+// N32: [[PTR0:%.+]] = load [[INTPTR_T:i32]], i32* [[TMP0]], align [[PTRALIGN]]
+// N64: [[PTR0:%.+]] = load [[INTPTR_T:i64]], i64* [[TMP0]], align [[PTRALIGN]]
//
// Vectors are 16-byte aligned, however the O32 ABI has a maximum alignment of
// 8-bytes since the base of the stack is 8-byte aligned.
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