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https://github.com/RPCS3/llvm-mirror.git
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db3c93e416
This will remove suboptimal branching from the generated ll/sc loops. The extra simplification pass affects a lot of testcases, which have been modified to accommodate this change: either by modifying the test to become immune to the CFG simplification, or (less preferablt) by adding option -hexagon-initial-cfg-clenaup=0. llvm-svn: 338774
100 lines
1.7 KiB
LLVM
100 lines
1.7 KiB
LLVM
; RUN: llc -march=hexagon < %s | FileCheck %s
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; s4_0Imm
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; CHECK: memb(r0++#-1) = r1
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define i8* @foo1(i8* %a, i8 %b) {
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store i8 %b, i8* %a
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%c = getelementptr i8, i8* %a, i32 -1
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ret i8* %c
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}
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; s4_1Imm
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; CHECK: memh(r0++#-2) = r1
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define i16* @foo2(i16* %a, i16 %b) {
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store i16 %b, i16* %a
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%c = getelementptr i16, i16* %a, i32 -1
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ret i16* %c
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}
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; s4_2Imm
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; CHECK: memw(r0++#-4) = r1
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define i32* @foo3(i32* %a, i32 %b) {
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store i32 %b, i32* %a
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%c = getelementptr i32, i32* %a, i32 -1
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ret i32* %c
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}
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; s4_3Imm
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; CHECK: memd(r0++#-8) = r3:2
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define i64* @foo4(i64* %a, i64 %b) {
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store i64 %b, i64* %a
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%c = getelementptr i64, i64* %a, i32 -1
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ret i64* %c
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}
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; s6Ext
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; CHECK: if (p0.new) memw(r0+#0) = #-1
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define void @foo5(i32* %a, i1 %b) {
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br i1 %b, label %x, label %y
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x:
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store i32 -1, i32* %a
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ret void
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y:
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ret void
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}
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; s10Ext
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; CHECK: p0 = cmp.eq(r0,#-1)
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define i1 @foo7(i32 %a) {
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%b = icmp eq i32 %a, -1
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ret i1 %b
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}
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; s11_0Ext
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; CHECK: memb(r0+#-1) = r1
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define void @foo8(i8* %a, i8 %b) {
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%c = getelementptr i8, i8* %a, i32 -1
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store i8 %b, i8* %c
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ret void
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}
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; s11_1Ext
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; CHECK: memh(r0+#-2) = r1
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define void @foo9(i16* %a, i16 %b) {
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%c = getelementptr i16, i16* %a, i32 -1
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store i16 %b, i16* %c
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ret void
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}
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; s11_2Ext
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; CHECK: memw(r0+#-4) = r1
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define void @foo10(i32* %a, i32 %b) {
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%c = getelementptr i32, i32* %a, i32 -1
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store i32 %b, i32* %c
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ret void
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}
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; s11_3Ext
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; CHECK: memd(r0+#-8) = r3:2
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define void @foo11(i64* %a, i64 %b) {
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%c = getelementptr i64, i64* %a, i32 -1
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store i64 %b, i64* %c
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ret void
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}
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; s12Ext
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; CHECK: r1 = mux(p0,#-1,r0)
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define i32 @foo12(i32 %a, i1 %b) {
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br i1 %b, label %x, label %y
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x:
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ret i32 -1
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y:
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ret i32 %a
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}
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; s16Ext
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; CHECK: r0 = #-2
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define i32 @foo13() {
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ret i32 -2
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}
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