-; RUN: llc < %s -march=x86-64 -asm-verbose=false | FileCheck %s
+; RUN: llc < %s -march=x86-64 -asm-verbose=false -mtriple=x86_64-unknown-linux-gnu -post-RA-scheduler=true | FileCheck %s
; Currently, floating-point selects are lowered to CFG triangles.
; This means that one side of the select is always unconditionally
; Sink instructions with dead EFLAGS defs.
-; CHECK: zzz:
-; CHECK: je
-; CHECK-NEXT: orb
+; FIXME: Unfail the zzz test if we can correctly mark pregs with the kill flag.
+;
+; See <rdar://problem/8030636>. This test isn't valid after we made machine
+; sinking more conservative about sinking instructions that define a preg into a
+; block when we don't know if the preg is killed within the current block.
-define zeroext i8 @zzz(i8 zeroext %a, i8 zeroext %b) nounwind readnone {
-entry:
- %tmp = zext i8 %a to i32 ; <i32> [#uses=1]
- %tmp2 = icmp eq i8 %a, 0 ; <i1> [#uses=1]
- %tmp3 = or i8 %b, -128 ; <i8> [#uses=1]
- %tmp4 = and i8 %b, 127 ; <i8> [#uses=1]
- %b_addr.0 = select i1 %tmp2, i8 %tmp4, i8 %tmp3 ; <i8> [#uses=1]
- ret i8 %b_addr.0
-}
+
+; FIXMEHECK: zzz:
+; FIXMEHECK: je
+; FIXMEHECK-NEXT: orb
+
+; define zeroext i8 @zzz(i8 zeroext %a, i8 zeroext %b) nounwind readnone {
+; entry:
+; %tmp = zext i8 %a to i32 ; <i32> [#uses=1]
+; %tmp2 = icmp eq i8 %a, 0 ; <i1> [#uses=1]
+; %tmp3 = or i8 %b, -128 ; <i8> [#uses=1]
+; %tmp4 = and i8 %b, 127 ; <i8> [#uses=1]
+; %b_addr.0 = select i1 %tmp2, i8 %tmp4, i8 %tmp3 ; <i8> [#uses=1]
+; ret i8 %b_addr.0
+; }
; Codegen should hoist and CSE these constants.
; CHECK: vv:
-; CHECK: LCPI4_0(%rip), %xmm0
-; CHECK: LCPI4_1(%rip), %xmm1
-; CHECK: LCPI4_2(%rip), %xmm2
+; CHECK: LCPI2_0(%rip), %xmm0
+; CHECK: LCPI2_1(%rip), %xmm1
+; CHECK: LCPI2_2(%rip), %xmm2
; CHECK: align
; CHECK-NOT: LCPI
; CHECK: ret
declare <4 x float> @llvm.x86.sse.cmp.ps(<4 x float>, <4 x float>, i8) nounwind readnone
declare <4 x float> @llvm.x86.sse2.cvtdq2ps(<4 x i32>) nounwind readnone
+
+; CodeGen should use the correct register class when extracting
+; a load from a zero-extending load for hoisting.
+
+; CHECK: default_get_pch_validity:
+; CHECK: movl cl_options_count(%rip), %ecx
+
+@cl_options_count = external constant i32 ; <i32*> [#uses=2]
+
+define void @default_get_pch_validity() nounwind {
+entry:
+ %tmp4 = load i32* @cl_options_count, align 4 ; <i32> [#uses=1]
+ %tmp5 = icmp eq i32 %tmp4, 0 ; <i1> [#uses=1]
+ br i1 %tmp5, label %bb6, label %bb2
+
+bb2: ; preds = %bb2, %entry
+ %i.019 = phi i64 [ 0, %entry ], [ %tmp25, %bb2 ] ; <i64> [#uses=1]
+ %tmp25 = add i64 %i.019, 1 ; <i64> [#uses=2]
+ %tmp11 = load i32* @cl_options_count, align 4 ; <i32> [#uses=1]
+ %tmp12 = zext i32 %tmp11 to i64 ; <i64> [#uses=1]
+ %tmp13 = icmp ugt i64 %tmp12, %tmp25 ; <i1> [#uses=1]
+ br i1 %tmp13, label %bb2, label %bb6
+
+bb6: ; preds = %bb2, %entry
+ ret void
+}