-; RUN: llc -O0 < %s
+; RUN: llc -O0 < %s -verify-machineinstrs
+; RUN: llc < %s -verify-machineinstrs
target triple = "x86_64-apple-macosx10.7"
; This test case extracts a sub_8bit_hi sub-register:
define void @f() nounwind uwtable ssp {
entry:
- %0 = load i32* undef, align 4
+ %0 = load i32, i32* undef, align 4
%add = add i32 0, %0
%conv1 = trunc i32 %add to i16
%bf.value = and i16 %conv1, 255
%1 = and i16 %bf.value, 255
%2 = shl i16 %1, 8
- %3 = load i16* undef, align 1
+ %3 = load i16, i16* undef, align 1
%4 = and i16 %3, 255
%5 = or i16 %4, %2
store i16 %5, i16* undef, align 1
- %6 = load i16* undef, align 1
+ %6 = load i16, i16* undef, align 1
%7 = lshr i16 %6, 8
%bf.clear2 = and i16 %7, 255
%conv3 = zext i16 %bf.clear2 to i32
store i16 %10, i16* undef, align 1
ret void
}
+
+; This test case extracts a sub_8bit_hi sub-register:
+;
+; %vreg2<def> = COPY %vreg1:sub_8bit_hi; GR8:%vreg2 GR64_ABCD:%vreg1
+; TEST8ri %vreg2, 1, %EFLAGS<imp-def>; GR8:%vreg2
+;
+; %vreg2 must be constrained to GR8_NOREX, or the COPY could become impossible.
+;
+; PR11088
+
+define fastcc i32 @g(i64 %FB) nounwind uwtable readnone align 2 {
+entry:
+ %and32 = and i64 %FB, 256
+ %cmp33 = icmp eq i64 %and32, 0
+ %Features.6.or35 = select i1 %cmp33, i32 0, i32 undef
+ %cmp38 = icmp eq i64 undef, 0
+ %or40 = or i32 %Features.6.or35, 4
+ %Features.8 = select i1 %cmp38, i32 %Features.6.or35, i32 %or40
+ %and42 = and i64 %FB, 32
+ %or45 = or i32 %Features.8, 2
+ %cmp43 = icmp eq i64 %and42, 0
+ %Features.8.or45 = select i1 %cmp43, i32 %Features.8, i32 %or45
+ %and47 = and i64 %FB, 8192
+ %cmp48 = icmp eq i64 %and47, 0
+ %or50 = or i32 %Features.8.or45, 32
+ %Features.10 = select i1 %cmp48, i32 %Features.8.or45, i32 %or50
+ %or55 = or i32 %Features.10, 64
+ %Features.10.or55 = select i1 undef, i32 %Features.10, i32 %or55
+ %and57 = lshr i64 %FB, 2
+ %and57.tr = trunc i64 %and57 to i32
+ %or60 = and i32 %and57.tr, 1
+ %Features.12 = or i32 %Features.10.or55, %or60
+ %and62 = and i64 %FB, 128
+ %or65 = or i32 %Features.12, 8
+ %cmp63 = icmp eq i64 %and62, 0
+ %Features.12.or65 = select i1 %cmp63, i32 %Features.12, i32 %or65
+ %Features.14 = select i1 undef, i32 undef, i32 %Features.12.or65
+ %Features.16 = select i1 undef, i32 undef, i32 %Features.14
+ ret i32 %Features.16
+}