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7d68f8de7f
move a SUBFC (etc.) below the SUBFE (etc.) that consumed the carry bit. Add missing ADDIC8, noticed along the way. llvm-svn: 82266
63 lines
3.6 KiB
LLVM
63 lines
3.6 KiB
LLVM
; RUN: llc -march=ppc32 < %s | FileCheck %s
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; ModuleID = '<stdin>'
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target datalayout = "E-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f128:64:128"
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target triple = "powerpc-apple-darwin9.6"
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define i64 @foo(i64 %r.0.ph, i64 %q.0.ph, i32 %sr1.1.ph) nounwind {
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entry:
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; CHECK: foo:
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; CHECK: subfc
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; CHECK: subfe
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; CHECK: subfc
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; CHECK: subfe
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%tmp0 = add i64 %r.0.ph, -1 ; <i64> [#uses=1]
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br label %bb40
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bb40: ; preds = %bb40, %entry
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%indvar = phi i32 [ 0, %entry ], [ %indvar.next, %bb40 ] ; <i32> [#uses=1]
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%carry.0274 = phi i32 [ 0, %entry ], [%tmp122, %bb40 ] ; <i32> [#uses=1]
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%r.0273 = phi i64 [ %r.0.ph, %entry ], [ %tmp124, %bb40 ] ; <i64> [#uses=2]
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%q.0272 = phi i64 [ %q.0.ph, %entry ], [ %ins169, %bb40 ] ; <i64> [#uses=3]
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%tmp1 = lshr i64 %r.0273, 31 ; <i64> [#uses=1]
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%tmp2 = trunc i64 %tmp1 to i32 ; <i32> [#uses=1]
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%tmp3 = and i32 %tmp2, -2 ; <i32> [#uses=1]
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%tmp213 = trunc i64 %r.0273 to i32 ; <i32> [#uses=2]
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%tmp106 = lshr i32 %tmp213, 31 ; <i32> [#uses=1]
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%tmp107 = or i32 %tmp3, %tmp106 ; <i32> [#uses=1]
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%tmp215 = zext i32 %tmp107 to i64 ; <i64> [#uses=1]
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%tmp216 = shl i64 %tmp215, 32 ; <i64> [#uses=1]
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%tmp108 = shl i32 %tmp213, 1 ; <i32> [#uses=1]
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%tmp109 = lshr i64 %q.0272, 63 ; <i64> [#uses=1]
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%tmp110 = trunc i64 %tmp109 to i32 ; <i32> [#uses=1]
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%tmp111 = or i32 %tmp108, %tmp110 ; <i32> [#uses=1]
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%tmp222 = zext i32 %tmp111 to i64 ; <i64> [#uses=1]
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%ins224 = or i64 %tmp216, %tmp222 ; <i64> [#uses=2]
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%tmp112 = lshr i64 %q.0272, 31 ; <i64> [#uses=1]
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%tmp113 = trunc i64 %tmp112 to i32 ; <i32> [#uses=1]
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%tmp114 = and i32 %tmp113, -2 ; <i32> [#uses=1]
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%tmp158 = trunc i64 %q.0272 to i32 ; <i32> [#uses=2]
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%tmp115 = lshr i32 %tmp158, 31 ; <i32> [#uses=1]
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%tmp116 = or i32 %tmp114, %tmp115 ; <i32> [#uses=1]
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%tmp160 = zext i32 %tmp116 to i64 ; <i64> [#uses=1]
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%tmp161 = shl i64 %tmp160, 32 ; <i64> [#uses=1]
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%tmp117 = shl i32 %tmp158, 1 ; <i32> [#uses=1]
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%tmp118 = or i32 %tmp117, %carry.0274 ; <i32> [#uses=1]
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%tmp167 = zext i32 %tmp118 to i64 ; <i64> [#uses=1]
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%ins169 = or i64 %tmp161, %tmp167 ; <i64> [#uses=2]
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%tmp119 = sub i64 %tmp0, %ins224 ; <i64> [#uses=1]
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%tmp120 = ashr i64 %tmp119, 63 ; <i64> [#uses=2]
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%tmp121 = trunc i64 %tmp120 to i32 ; <i32> [#uses=1]
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%tmp122 = and i32 %tmp121, 1 ; <i32> [#uses=2]
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%tmp123 = and i64 %tmp120, %q.0.ph ; <i64> [#uses=1]
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%tmp124 = sub i64 %ins224, %tmp123 ; <i64> [#uses=2]
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%indvar.next = add i32 %indvar, 1 ; <i32> [#uses=2]
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%exitcond = icmp eq i32 %indvar.next, %sr1.1.ph ; <i1> [#uses=1]
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br i1 %exitcond, label %bb41.bb42_crit_edge, label %bb40
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bb41.bb42_crit_edge: ; preds = %bb40
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%phitmp278 = zext i32 %tmp122 to i64 ; <i64> [#uses=1]
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%tmp125 = shl i64 %ins169, 1 ; <i64> [#uses=1]
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%tmp126 = or i64 %phitmp278, %tmp125 ; <i64> [#uses=2]
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ret i64 %tmp126
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}
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