forked from OSchip/llvm-project
[X86] Add i8/i16 smulo/umulo test cases where the overflow indication is used by a mask.
llvm-svn: 350204
This commit is contained in:
Craig Topper
parent
6f2feb8293
commit
8969720787
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@ -370,10 +370,12 @@ define i64 @umuloselecti64(i64 %v1, i64 %v2) {
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;
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; Check the use of the overflow bit in combination with a branch instruction.
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;
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define zeroext i1 @smulobri32(i32 %v1, i32 %v2) {
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; SDAG-LABEL: smulobri32:
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define zeroext i1 @smulobri8(i8 %v1, i8 %v2) {
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; SDAG-LABEL: smulobri8:
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; SDAG: ## %bb.0:
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; SDAG-NEXT: imull %esi, %edi
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; SDAG-NEXT: movl %edi, %eax
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; SDAG-NEXT: ## kill: def $al killed $al killed $eax
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; SDAG-NEXT: imulb %sil
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; SDAG-NEXT: jo LBB15_1
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; SDAG-NEXT: ## %bb.2: ## %continue
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; SDAG-NEXT: movb $1, %al
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@ -382,10 +384,14 @@ define zeroext i1 @smulobri32(i32 %v1, i32 %v2) {
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; SDAG-NEXT: xorl %eax, %eax
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; SDAG-NEXT: retq
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;
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; FAST-LABEL: smulobri32:
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; FAST-LABEL: smulobri8:
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; FAST: ## %bb.0:
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; FAST-NEXT: imull %esi, %edi
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; FAST-NEXT: jo LBB15_1
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; FAST-NEXT: movl %edi, %eax
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; FAST-NEXT: ## kill: def $al killed $al killed $eax
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; FAST-NEXT: imulb %sil
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; FAST-NEXT: seto %al
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; FAST-NEXT: testb $1, %al
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; FAST-NEXT: jne LBB15_1
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; FAST-NEXT: ## %bb.2: ## %continue
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; FAST-NEXT: movb $1, %al
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; FAST-NEXT: andb $1, %al
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@ -395,6 +401,84 @@ define zeroext i1 @smulobri32(i32 %v1, i32 %v2) {
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; FAST-NEXT: xorl %eax, %eax
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; FAST-NEXT: andb $1, %al
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; FAST-NEXT: movzbl %al, %eax
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; FAST-NEXT: retq
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%t = call {i8, i1} @llvm.smul.with.overflow.i8(i8 %v1, i8 %v2)
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%val = extractvalue {i8, i1} %t, 0
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%obit = extractvalue {i8, i1} %t, 1
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br i1 %obit, label %overflow, label %continue, !prof !0
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overflow:
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ret i1 false
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continue:
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ret i1 true
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}
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define zeroext i1 @smulobri16(i16 %v1, i16 %v2) {
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; SDAG-LABEL: smulobri16:
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; SDAG: ## %bb.0:
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; SDAG-NEXT: imulw %si, %di
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; SDAG-NEXT: jo LBB16_1
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; SDAG-NEXT: ## %bb.2: ## %continue
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; SDAG-NEXT: movb $1, %al
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; SDAG-NEXT: retq
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; SDAG-NEXT: LBB16_1: ## %overflow
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; SDAG-NEXT: xorl %eax, %eax
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; SDAG-NEXT: retq
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;
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; FAST-LABEL: smulobri16:
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; FAST: ## %bb.0:
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; FAST-NEXT: imulw %si, %di
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; FAST-NEXT: seto %al
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; FAST-NEXT: testb $1, %al
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; FAST-NEXT: jne LBB16_1
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; FAST-NEXT: ## %bb.2: ## %continue
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; FAST-NEXT: movb $1, %al
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; FAST-NEXT: andb $1, %al
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; FAST-NEXT: movzbl %al, %eax
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; FAST-NEXT: retq
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; FAST-NEXT: LBB16_1: ## %overflow
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; FAST-NEXT: xorl %eax, %eax
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; FAST-NEXT: andb $1, %al
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; FAST-NEXT: movzbl %al, %eax
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; FAST-NEXT: retq
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%t = call {i16, i1} @llvm.smul.with.overflow.i16(i16 %v1, i16 %v2)
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%val = extractvalue {i16, i1} %t, 0
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%obit = extractvalue {i16, i1} %t, 1
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br i1 %obit, label %overflow, label %continue, !prof !0
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overflow:
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ret i1 false
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continue:
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ret i1 true
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}
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define zeroext i1 @smulobri32(i32 %v1, i32 %v2) {
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; SDAG-LABEL: smulobri32:
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; SDAG: ## %bb.0:
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; SDAG-NEXT: imull %esi, %edi
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; SDAG-NEXT: jo LBB17_1
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; SDAG-NEXT: ## %bb.2: ## %continue
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; SDAG-NEXT: movb $1, %al
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; SDAG-NEXT: retq
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; SDAG-NEXT: LBB17_1: ## %overflow
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; SDAG-NEXT: xorl %eax, %eax
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; SDAG-NEXT: retq
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;
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; FAST-LABEL: smulobri32:
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; FAST: ## %bb.0:
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; FAST-NEXT: imull %esi, %edi
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; FAST-NEXT: jo LBB17_1
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; FAST-NEXT: ## %bb.2: ## %continue
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; FAST-NEXT: movb $1, %al
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; FAST-NEXT: andb $1, %al
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; FAST-NEXT: movzbl %al, %eax
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; FAST-NEXT: retq
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; FAST-NEXT: LBB17_1: ## %overflow
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; FAST-NEXT: xorl %eax, %eax
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; FAST-NEXT: andb $1, %al
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; FAST-NEXT: movzbl %al, %eax
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; FAST-NEXT: retq
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%t = call {i32, i1} @llvm.smul.with.overflow.i32(i32 %v1, i32 %v2)
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%val = extractvalue {i32, i1} %t, 0
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@ -412,24 +496,24 @@ define zeroext i1 @smulobri64(i64 %v1, i64 %v2) {
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; SDAG-LABEL: smulobri64:
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; SDAG: ## %bb.0:
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; SDAG-NEXT: imulq %rsi, %rdi
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; SDAG-NEXT: jo LBB16_1
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; SDAG-NEXT: jo LBB18_1
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; SDAG-NEXT: ## %bb.2: ## %continue
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; SDAG-NEXT: movb $1, %al
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; SDAG-NEXT: retq
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; SDAG-NEXT: LBB16_1: ## %overflow
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; SDAG-NEXT: LBB18_1: ## %overflow
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; SDAG-NEXT: xorl %eax, %eax
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; SDAG-NEXT: retq
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;
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; FAST-LABEL: smulobri64:
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; FAST: ## %bb.0:
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; FAST-NEXT: imulq %rsi, %rdi
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; FAST-NEXT: jo LBB16_1
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; FAST-NEXT: jo LBB18_1
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; FAST-NEXT: ## %bb.2: ## %continue
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; FAST-NEXT: movb $1, %al
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; FAST-NEXT: andb $1, %al
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; FAST-NEXT: movzbl %al, %eax
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; FAST-NEXT: retq
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; FAST-NEXT: LBB16_1: ## %overflow
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; FAST-NEXT: LBB18_1: ## %overflow
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; FAST-NEXT: xorl %eax, %eax
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; FAST-NEXT: andb $1, %al
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; FAST-NEXT: movzbl %al, %eax
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@ -446,16 +530,104 @@ continue:
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ret i1 true
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}
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define zeroext i1 @umulobri8(i8 %v1, i8 %v2) {
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; SDAG-LABEL: umulobri8:
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; SDAG: ## %bb.0:
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; SDAG-NEXT: movl %edi, %eax
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; SDAG-NEXT: ## kill: def $al killed $al killed $eax
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; SDAG-NEXT: mulb %sil
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; SDAG-NEXT: jo LBB19_1
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; SDAG-NEXT: ## %bb.2: ## %continue
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; SDAG-NEXT: movb $1, %al
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; SDAG-NEXT: retq
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; SDAG-NEXT: LBB19_1: ## %overflow
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; SDAG-NEXT: xorl %eax, %eax
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; SDAG-NEXT: retq
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;
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; FAST-LABEL: umulobri8:
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; FAST: ## %bb.0:
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; FAST-NEXT: movl %edi, %eax
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; FAST-NEXT: ## kill: def $al killed $al killed $eax
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; FAST-NEXT: mulb %sil
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; FAST-NEXT: seto %al
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; FAST-NEXT: testb $1, %al
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; FAST-NEXT: jne LBB19_1
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; FAST-NEXT: ## %bb.2: ## %continue
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; FAST-NEXT: movb $1, %al
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; FAST-NEXT: andb $1, %al
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; FAST-NEXT: movzbl %al, %eax
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; FAST-NEXT: retq
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; FAST-NEXT: LBB19_1: ## %overflow
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; FAST-NEXT: xorl %eax, %eax
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; FAST-NEXT: andb $1, %al
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; FAST-NEXT: movzbl %al, %eax
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; FAST-NEXT: retq
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%t = call {i8, i1} @llvm.umul.with.overflow.i8(i8 %v1, i8 %v2)
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%val = extractvalue {i8, i1} %t, 0
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%obit = extractvalue {i8, i1} %t, 1
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br i1 %obit, label %overflow, label %continue, !prof !0
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overflow:
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ret i1 false
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continue:
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ret i1 true
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}
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define zeroext i1 @umulobri16(i16 %v1, i16 %v2) {
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; SDAG-LABEL: umulobri16:
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; SDAG: ## %bb.0:
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; SDAG-NEXT: movl %edi, %eax
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; SDAG-NEXT: ## kill: def $ax killed $ax killed $eax
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; SDAG-NEXT: mulw %si
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; SDAG-NEXT: jo LBB20_1
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; SDAG-NEXT: ## %bb.2: ## %continue
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; SDAG-NEXT: movb $1, %al
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; SDAG-NEXT: retq
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; SDAG-NEXT: LBB20_1: ## %overflow
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; SDAG-NEXT: xorl %eax, %eax
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; SDAG-NEXT: retq
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;
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; FAST-LABEL: umulobri16:
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; FAST: ## %bb.0:
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; FAST-NEXT: movl %edi, %eax
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; FAST-NEXT: ## kill: def $ax killed $ax killed $eax
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; FAST-NEXT: mulw %si
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; FAST-NEXT: seto %al
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; FAST-NEXT: testb $1, %al
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; FAST-NEXT: jne LBB20_1
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; FAST-NEXT: ## %bb.2: ## %continue
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; FAST-NEXT: movb $1, %al
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; FAST-NEXT: andb $1, %al
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; FAST-NEXT: movzbl %al, %eax
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; FAST-NEXT: retq
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; FAST-NEXT: LBB20_1: ## %overflow
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; FAST-NEXT: xorl %eax, %eax
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; FAST-NEXT: andb $1, %al
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; FAST-NEXT: movzbl %al, %eax
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; FAST-NEXT: retq
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%t = call {i16, i1} @llvm.umul.with.overflow.i16(i16 %v1, i16 %v2)
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%val = extractvalue {i16, i1} %t, 0
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%obit = extractvalue {i16, i1} %t, 1
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br i1 %obit, label %overflow, label %continue, !prof !0
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overflow:
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ret i1 false
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continue:
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ret i1 true
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}
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define zeroext i1 @umulobri32(i32 %v1, i32 %v2) {
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; SDAG-LABEL: umulobri32:
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; SDAG: ## %bb.0:
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; SDAG-NEXT: movl %edi, %eax
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; SDAG-NEXT: mull %esi
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; SDAG-NEXT: jo LBB17_1
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; SDAG-NEXT: jo LBB21_1
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; SDAG-NEXT: ## %bb.2: ## %continue
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; SDAG-NEXT: movb $1, %al
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; SDAG-NEXT: retq
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; SDAG-NEXT: LBB17_1: ## %overflow
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; SDAG-NEXT: LBB21_1: ## %overflow
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; SDAG-NEXT: xorl %eax, %eax
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; SDAG-NEXT: retq
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;
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@ -463,13 +635,13 @@ define zeroext i1 @umulobri32(i32 %v1, i32 %v2) {
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; FAST: ## %bb.0:
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; FAST-NEXT: movl %edi, %eax
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; FAST-NEXT: mull %esi
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; FAST-NEXT: jo LBB17_1
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; FAST-NEXT: jo LBB21_1
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; FAST-NEXT: ## %bb.2: ## %continue
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; FAST-NEXT: movb $1, %al
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; FAST-NEXT: andb $1, %al
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; FAST-NEXT: movzbl %al, %eax
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; FAST-NEXT: retq
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; FAST-NEXT: LBB17_1: ## %overflow
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; FAST-NEXT: LBB21_1: ## %overflow
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; FAST-NEXT: xorl %eax, %eax
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; FAST-NEXT: andb $1, %al
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; FAST-NEXT: movzbl %al, %eax
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@ -491,11 +663,11 @@ define zeroext i1 @umulobri64(i64 %v1, i64 %v2) {
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; SDAG: ## %bb.0:
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; SDAG-NEXT: movq %rdi, %rax
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; SDAG-NEXT: mulq %rsi
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; SDAG-NEXT: jo LBB18_1
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; SDAG-NEXT: jo LBB22_1
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; SDAG-NEXT: ## %bb.2: ## %continue
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; SDAG-NEXT: movb $1, %al
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; SDAG-NEXT: retq
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; SDAG-NEXT: LBB18_1: ## %overflow
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; SDAG-NEXT: LBB22_1: ## %overflow
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; SDAG-NEXT: xorl %eax, %eax
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; SDAG-NEXT: retq
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;
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@ -503,13 +675,13 @@ define zeroext i1 @umulobri64(i64 %v1, i64 %v2) {
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; FAST: ## %bb.0:
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; FAST-NEXT: movq %rdi, %rax
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; FAST-NEXT: mulq %rsi
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; FAST-NEXT: jo LBB18_1
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; FAST-NEXT: jo LBB22_1
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; FAST-NEXT: ## %bb.2: ## %continue
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; FAST-NEXT: movb $1, %al
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; FAST-NEXT: andb $1, %al
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; FAST-NEXT: movzbl %al, %eax
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; FAST-NEXT: retq
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; FAST-NEXT: LBB18_1: ## %overflow
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; FAST-NEXT: LBB22_1: ## %overflow
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; FAST-NEXT: xorl %eax, %eax
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; FAST-NEXT: andb $1, %al
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; FAST-NEXT: movzbl %al, %eax
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