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Diffstat (limited to 'test/CodeGen/X86/lsr-reuse.ll')
| -rw-r--r-- | test/CodeGen/X86/lsr-reuse.ll | 309 |
1 files changed, 309 insertions, 0 deletions
diff --git a/test/CodeGen/X86/lsr-reuse.ll b/test/CodeGen/X86/lsr-reuse.ll index b80ee0897d..3f4f9ec1d1 100644 --- a/test/CodeGen/X86/lsr-reuse.ll +++ b/test/CodeGen/X86/lsr-reuse.ll @@ -440,3 +440,312 @@ bb5: ; preds = %bb3, %entry %s.1.lcssa = phi i32 [ 0, %entry ], [ %s.0.lcssa, %bb3 ] ; <i32> [#uses=1] ret i32 %s.1.lcssa } + +; Two loops here are of particular interest; the one at %bb21, where +; we don't want to leave extra induction variables around, or use an +; lea to compute an exit condition inside the loop: + +; CHECK: test: + +; CHECK: BB10_4: +; CHECK-NEXT: movaps %xmm{{.*}}, %xmm{{.*}} +; CHECK-NEXT: addss %xmm{{.*}}, %xmm{{.*}} +; CHECK-NEXT: mulss (%r{{[^,]*}}), %xmm{{.*}} +; CHECK-NEXT: movss %xmm{{.*}}, (%r{{[^,]*}}) +; CHECK-NEXT: addq $4, %r{{.*}} +; CHECK-NEXT: decq %r{{.*}} +; CHECK-NEXT: addq $4, %r{{.*}} +; CHECK-NEXT: movaps %xmm{{.*}}, %xmm{{.*}} +; CHECK-NEXT: BB10_2: +; CHECK-NEXT: testq %r{{.*}}, %r{{.*}} +; CHECK-NEXT: jle +; CHECK-NEXT: testb $15, %r{{.*}} +; CHECK-NEXT: jne + +; And the one at %bb68, where we want to be sure to use superhero mode: + +; CHECK: BB10_10: +; CHECK-NEXT: movaps %xmm{{.*}}, %xmm{{.*}} +; CHECK-NEXT: mulps 48(%r{{[^,]*}}), %xmm{{.*}} +; CHECK-NEXT: movaps %xmm{{.*}}, %xmm{{.*}} +; CHECK-NEXT: mulps 32(%r{{[^,]*}}), %xmm{{.*}} +; CHECK-NEXT: movaps %xmm{{.*}}, %xmm{{.*}} +; CHECK-NEXT: mulps 16(%r{{[^,]*}}), %xmm{{.*}} +; CHECK-NEXT: movaps %xmm{{.*}}, %xmm{{.*}} +; CHECK-NEXT: mulps (%r{{[^,]*}}), %xmm{{.*}} +; CHECK-NEXT: movaps %xmm{{.*}}, (%r{{[^,]*}}) +; CHECK-NEXT: movaps %xmm{{.*}}, 16(%r{{[^,]*}}) +; CHECK-NEXT: movaps %xmm{{.*}}, 32(%r{{[^,]*}}) +; CHECK-NEXT: movaps %xmm{{.*}}, 48(%r{{[^,]*}}) +; CHECK-NEXT: addps %xmm{{.*}}, %xmm{{.*}} +; CHECK-NEXT: addps %xmm{{.*}}, %xmm{{.*}} +; CHECK-NEXT: addps %xmm{{.*}}, %xmm{{.*}} +; CHECK-NEXT: addps %xmm{{.*}}, %xmm{{.*}} +; CHECK-NEXT: addq $64, %r{{.*}} +; CHECK-NEXT: addq $64, %r{{.*}} +; CHECK-NEXT: addq $-16, %r{{.*}} +; CHECK-NEXT: BB10_11: +; CHECK-NEXT: cmpq $15, %r{{.*}} +; CHECK-NEXT: jg + +define void @test(float* %arg, i64 %arg1, float* nocapture %arg2, float* nocapture %arg3, float* %arg4, i64 %arg5, i64 %arg6) nounwind { +bb: + %t = alloca float, align 4 ; <float*> [#uses=3] + %t7 = alloca float, align 4 ; <float*> [#uses=2] + %t8 = load float* %arg3 ; <float> [#uses=8] + %t9 = ptrtoint float* %arg to i64 ; <i64> [#uses=1] + %t10 = ptrtoint float* %arg4 to i64 ; <i64> [#uses=1] + %t11 = xor i64 %t10, %t9 ; <i64> [#uses=1] + %t12 = and i64 %t11, 15 ; <i64> [#uses=1] + %t13 = icmp eq i64 %t12, 0 ; <i1> [#uses=1] + %t14 = xor i64 %arg1, 1 ; <i64> [#uses=1] + %t15 = xor i64 %arg5, 1 ; <i64> [#uses=1] + %t16 = or i64 %t15, %t14 ; <i64> [#uses=1] + %t17 = trunc i64 %t16 to i32 ; <i32> [#uses=1] + %t18 = icmp eq i32 %t17, 0 ; <i1> [#uses=1] + br i1 %t18, label %bb19, label %bb213 + +bb19: ; preds = %bb + %t20 = load float* %arg2 ; <float> [#uses=1] + br label %bb21 + +bb21: ; preds = %bb32, %bb19 + %t22 = phi i64 [ %t36, %bb32 ], [ 0, %bb19 ] ; <i64> [#uses=21] + %t23 = phi float [ %t35, %bb32 ], [ %t20, %bb19 ] ; <float> [#uses=6] + %t24 = sub i64 %arg6, %t22 ; <i64> [#uses=4] + %t25 = getelementptr float* %arg4, i64 %t22 ; <float*> [#uses=4] + %t26 = getelementptr float* %arg, i64 %t22 ; <float*> [#uses=3] + %t27 = icmp sgt i64 %t24, 0 ; <i1> [#uses=1] + br i1 %t27, label %bb28, label %bb37 + +bb28: ; preds = %bb21 + %t29 = ptrtoint float* %t25 to i64 ; <i64> [#uses=1] + %t30 = and i64 %t29, 15 ; <i64> [#uses=1] + %t31 = icmp eq i64 %t30, 0 ; <i1> [#uses=1] + br i1 %t31, label %bb37, label %bb32 + +bb32: ; preds = %bb28 + %t33 = load float* %t26 ; <float> [#uses=1] + %t34 = fmul float %t23, %t33 ; <float> [#uses=1] + store float %t34, float* %t25 + %t35 = fadd float %t23, %t8 ; <float> [#uses=1] + %t36 = add i64 %t22, 1 ; <i64> [#uses=1] + br label %bb21 + +bb37: ; preds = %bb28, %bb21 + %t38 = fmul float %t8, 4.000000e+00 ; <float> [#uses=1] + store float %t38, float* %t + %t39 = fmul float %t8, 1.600000e+01 ; <float> [#uses=1] + store float %t39, float* %t7 + %t40 = fmul float %t8, 0.000000e+00 ; <float> [#uses=1] + %t41 = fadd float %t23, %t40 ; <float> [#uses=1] + %t42 = insertelement <4 x float> undef, float %t41, i32 0 ; <<4 x float>> [#uses=1] + %t43 = fadd float %t23, %t8 ; <float> [#uses=1] + %t44 = insertelement <4 x float> %t42, float %t43, i32 1 ; <<4 x float>> [#uses=1] + %t45 = fmul float %t8, 2.000000e+00 ; <float> [#uses=1] + %t46 = fadd float %t23, %t45 ; <float> [#uses=1] + %t47 = insertelement <4 x float> %t44, float %t46, i32 2 ; <<4 x float>> [#uses=1] + %t48 = fmul float %t8, 3.000000e+00 ; <float> [#uses=1] + %t49 = fadd float %t23, %t48 ; <float> [#uses=1] + %t50 = insertelement <4 x float> %t47, float %t49, i32 3 ; <<4 x float>> [#uses=5] + %t51 = call <4 x float> asm "movss $1, $0\09\0Apshufd $$0, $0, $0", "=x,*m,~{dirflag},~{fpsr},~{flags}"(float* %t) nounwind ; <<4 x float>> [#uses=3] + %t52 = fadd <4 x float> %t50, %t51 ; <<4 x float>> [#uses=3] + %t53 = fadd <4 x float> %t52, %t51 ; <<4 x float>> [#uses=3] + %t54 = fadd <4 x float> %t53, %t51 ; <<4 x float>> [#uses=2] + %t55 = call <4 x float> asm "movss $1, $0\09\0Apshufd $$0, $0, $0", "=x,*m,~{dirflag},~{fpsr},~{flags}"(float* %t7) nounwind ; <<4 x float>> [#uses=8] + %t56 = icmp sgt i64 %t24, 15 ; <i1> [#uses=2] + br i1 %t13, label %bb57, label %bb118 + +bb57: ; preds = %bb37 + br i1 %t56, label %bb61, label %bb112 + +bb58: ; preds = %bb68 + %t59 = getelementptr float* %arg, i64 %t78 ; <float*> [#uses=1] + %t60 = getelementptr float* %arg4, i64 %t78 ; <float*> [#uses=1] + br label %bb112 + +bb61: ; preds = %bb57 + %t62 = add i64 %t22, 16 ; <i64> [#uses=1] + %t63 = add i64 %t22, 4 ; <i64> [#uses=1] + %t64 = add i64 %t22, 8 ; <i64> [#uses=1] + %t65 = add i64 %t22, 12 ; <i64> [#uses=1] + %t66 = add i64 %arg6, -16 ; <i64> [#uses=1] + %t67 = sub i64 %t66, %t22 ; <i64> [#uses=1] + br label %bb68 + +bb68: ; preds = %bb68, %bb61 + %t69 = phi i64 [ 0, %bb61 ], [ %t111, %bb68 ] ; <i64> [#uses=3] + %t70 = phi <4 x float> [ %t54, %bb61 ], [ %t107, %bb68 ] ; <<4 x float>> [#uses=2] + %t71 = phi <4 x float> [ %t50, %bb61 ], [ %t103, %bb68 ] ; <<4 x float>> [#uses=2] + %t72 = phi <4 x float> [ %t53, %bb61 ], [ %t108, %bb68 ] ; <<4 x float>> [#uses=2] + %t73 = phi <4 x float> [ %t52, %bb61 ], [ %t109, %bb68 ] ; <<4 x float>> [#uses=2] + %t74 = shl i64 %t69, 4 ; <i64> [#uses=5] + %t75 = add i64 %t22, %t74 ; <i64> [#uses=2] + %t76 = getelementptr float* %arg, i64 %t75 ; <float*> [#uses=1] + %t77 = bitcast float* %t76 to <4 x float>* ; <<4 x float>*> [#uses=1] + %t78 = add i64 %t62, %t74 ; <i64> [#uses=2] + %t79 = add i64 %t63, %t74 ; <i64> [#uses=2] + %t80 = getelementptr float* %arg, i64 %t79 ; <float*> [#uses=1] + %t81 = bitcast float* %t80 to <4 x float>* ; <<4 x float>*> [#uses=1] + %t82 = add i64 %t64, %t74 ; <i64> [#uses=2] + %t83 = getelementptr float* %arg, i64 %t82 ; <float*> [#uses=1] + %t84 = bitcast float* %t83 to <4 x float>* ; <<4 x float>*> [#uses=1] + %t85 = add i64 %t65, %t74 ; <i64> [#uses=2] + %t86 = getelementptr float* %arg, i64 %t85 ; <float*> [#uses=1] + %t87 = bitcast float* %t86 to <4 x float>* ; <<4 x float>*> [#uses=1] + %t88 = getelementptr float* %arg4, i64 %t75 ; <float*> [#uses=1] + %t89 = bitcast float* %t88 to <4 x float>* ; <<4 x float>*> [#uses=1] + %t90 = getelementptr float* %arg4, i64 %t79 ; <float*> [#uses=1] + %t91 = bitcast float* %t90 to <4 x float>* ; <<4 x float>*> [#uses=1] + %t92 = getelementptr float* %arg4, i64 %t82 ; <float*> [#uses=1] + %t93 = bitcast float* %t92 to <4 x float>* ; <<4 x float>*> [#uses=1] + %t94 = getelementptr float* %arg4, i64 %t85 ; <float*> [#uses=1] + %t95 = bitcast float* %t94 to <4 x float>* ; <<4 x float>*> [#uses=1] + %t96 = mul i64 %t69, -16 ; <i64> [#uses=1] + %t97 = add i64 %t67, %t96 ; <i64> [#uses=2] + %t98 = load <4 x float>* %t77 ; <<4 x float>> [#uses=1] + %t99 = load <4 x float>* %t81 ; <<4 x float>> [#uses=1] + %t100 = load <4 x float>* %t84 ; <<4 x float>> [#uses=1] + %t101 = load <4 x float>* %t87 ; <<4 x float>> [#uses=1] + %t102 = fmul <4 x float> %t98, %t71 ; <<4 x float>> [#uses=1] + %t103 = fadd <4 x float> %t71, %t55 ; <<4 x float>> [#uses=2] + %t104 = fmul <4 x float> %t99, %t73 ; <<4 x float>> [#uses=1] + %t105 = fmul <4 x float> %t100, %t72 ; <<4 x float>> [#uses=1] + %t106 = fmul <4 x float> %t101, %t70 ; <<4 x float>> [#uses=1] + store <4 x float> %t102, <4 x float>* %t89 + store <4 x float> %t104, <4 x float>* %t91 + store <4 x float> %t105, <4 x float>* %t93 + store <4 x float> %t106, <4 x float>* %t95 + %t107 = fadd <4 x float> %t70, %t55 ; <<4 x float>> [#uses=1] + %t108 = fadd <4 x float> %t72, %t55 ; <<4 x float>> [#uses=1] + %t109 = fadd <4 x float> %t73, %t55 ; <<4 x float>> [#uses=1] + %t110 = icmp sgt i64 %t97, 15 ; <i1> [#uses=1] + %t111 = add i64 %t69, 1 ; <i64> [#uses=1] + br i1 %t110, label %bb68, label %bb58 + +bb112: ; preds = %bb58, %bb57 + %t113 = phi float* [ %t59, %bb58 ], [ %t26, %bb57 ] ; <float*> [#uses=1] + %t114 = phi float* [ %t60, %bb58 ], [ %t25, %bb57 ] ; <float*> [#uses=1] + %t115 = phi <4 x float> [ %t103, %bb58 ], [ %t50, %bb57 ] ; <<4 x float>> [#uses=1] + %t116 = phi i64 [ %t97, %bb58 ], [ %t24, %bb57 ] ; <i64> [#uses=1] + %t117 = call <4 x float> asm "movss $1, $0\09\0Apshufd $$0, $0, $0", "=x,*m,~{dirflag},~{fpsr},~{flags}"(float* %t) nounwind ; <<4 x float>> [#uses=0] + br label %bb194 + +bb118: ; preds = %bb37 + br i1 %t56, label %bb122, label %bb194 + +bb119: ; preds = %bb137 + %t120 = getelementptr float* %arg, i64 %t145 ; <float*> [#uses=1] + %t121 = getelementptr float* %arg4, i64 %t145 ; <float*> [#uses=1] + br label %bb194 + +bb122: ; preds = %bb118 + %t123 = add i64 %t22, -1 ; <i64> [#uses=1] + %t124 = getelementptr inbounds float* %arg, i64 %t123 ; <float*> [#uses=1] + %t125 = bitcast float* %t124 to <4 x float>* ; <<4 x float>*> [#uses=1] + %t126 = load <4 x float>* %t125 ; <<4 x float>> [#uses=1] + %t127 = add i64 %t22, 16 ; <i64> [#uses=1] + %t128 = add i64 %t22, 3 ; <i64> [#uses=1] + %t129 = add i64 %t22, 7 ; <i64> [#uses=1] + %t130 = add i64 %t22, 11 ; <i64> [#uses=1] + %t131 = add i64 %t22, 15 ; <i64> [#uses=1] + %t132 = add i64 %t22, 4 ; <i64> [#uses=1] + %t133 = add i64 %t22, 8 ; <i64> [#uses=1] + %t134 = add i64 %t22, 12 ; <i64> [#uses=1] + %t135 = add i64 %arg6, -16 ; <i64> [#uses=1] + %t136 = sub i64 %t135, %t22 ; <i64> [#uses=1] + br label %bb137 + +bb137: ; preds = %bb137, %bb122 + %t138 = phi i64 [ 0, %bb122 ], [ %t193, %bb137 ] ; <i64> [#uses=3] + %t139 = phi <4 x float> [ %t54, %bb122 ], [ %t189, %bb137 ] ; <<4 x float>> [#uses=2] + %t140 = phi <4 x float> [ %t50, %bb122 ], [ %t185, %bb137 ] ; <<4 x float>> [#uses=2] + %t141 = phi <4 x float> [ %t53, %bb122 ], [ %t190, %bb137 ] ; <<4 x float>> [#uses=2] + %t142 = phi <4 x float> [ %t52, %bb122 ], [ %t191, %bb137 ] ; <<4 x float>> [#uses=2] + %t143 = phi <4 x float> [ %t126, %bb122 ], [ %t175, %bb137 ] ; <<4 x float>> [#uses=1] + %t144 = shl i64 %t138, 4 ; <i64> [#uses=9] + %t145 = add i64 %t127, %t144 ; <i64> [#uses=2] + %t146 = add i64 %t128, %t144 ; <i64> [#uses=1] + %t147 = getelementptr float* %arg, i64 %t146 ; <float*> [#uses=1] + %t148 = bitcast float* %t147 to <4 x float>* ; <<4 x float>*> [#uses=1] + %t149 = add i64 %t129, %t144 ; <i64> [#uses=1] + %t150 = getelementptr float* %arg, i64 %t149 ; <float*> [#uses=1] + %t151 = bitcast float* %t150 to <4 x float>* ; <<4 x float>*> [#uses=1] + %t152 = add i64 %t130, %t144 ; <i64> [#uses=1] + %t153 = getelementptr float* %arg, i64 %t152 ; <float*> [#uses=1] + %t154 = bitcast float* %t153 to <4 x float>* ; <<4 x float>*> [#uses=1] + %t155 = add i64 %t131, %t144 ; <i64> [#uses=1] + %t156 = getelementptr float* %arg, i64 %t155 ; <float*> [#uses=1] + %t157 = bitcast float* %t156 to <4 x float>* ; <<4 x float>*> [#uses=1] + %t158 = add i64 %t22, %t144 ; <i64> [#uses=1] + %t159 = getelementptr float* %arg4, i64 %t158 ; <float*> [#uses=1] + %t160 = bitcast float* %t159 to <4 x float>* ; <<4 x float>*> [#uses=1] + %t161 = add i64 %t132, %t144 ; <i64> [#uses=1] + %t162 = getelementptr float* %arg4, i64 %t161 ; <float*> [#uses=1] + %t163 = bitcast float* %t162 to <4 x float>* ; <<4 x float>*> [#uses=1] + %t164 = add i64 %t133, %t144 ; <i64> [#uses=1] + %t165 = getelementptr float* %arg4, i64 %t164 ; <float*> [#uses=1] + %t166 = bitcast float* %t165 to <4 x float>* ; <<4 x float>*> [#uses=1] + %t167 = add i64 %t134, %t144 ; <i64> [#uses=1] + %t168 = getelementptr float* %arg4, i64 %t167 ; <float*> [#uses=1] + %t169 = bitcast float* %t168 to <4 x float>* ; <<4 x float>*> [#uses=1] + %t170 = mul i64 %t138, -16 ; <i64> [#uses=1] + %t171 = add i64 %t136, %t170 ; <i64> [#uses=2] + %t172 = load <4 x float>* %t148 ; <<4 x float>> [#uses=2] + %t173 = load <4 x float>* %t151 ; <<4 x float>> [#uses=2] + %t174 = load <4 x float>* %t154 ; <<4 x float>> [#uses=2] + %t175 = load <4 x float>* %t157 ; <<4 x float>> [#uses=2] + %t176 = shufflevector <4 x float> %t143, <4 x float> %t172, <4 x i32> <i32 4, i32 1, i32 2, i32 3> ; <<4 x float>> [#uses=1] + %t177 = shufflevector <4 x float> %t176, <4 x float> undef, <4 x i32> <i32 1, i32 2, i32 3, i32 0> ; <<4 x float>> [#uses=1] + %t178 = shufflevector <4 x float> %t172, <4 x float> %t173, <4 x i32> <i32 4, i32 1, i32 2, i32 3> ; <<4 x float>> [#uses=1] + %t179 = shufflevector <4 x float> %t178, <4 x float> undef, <4 x i32> <i32 1, i32 2, i32 3, i32 0> ; <<4 x float>> [#uses=1] + %t180 = shufflevector <4 x float> %t173, <4 x float> %t174, <4 x i32> <i32 4, i32 1, i32 2, i32 3> ; <<4 x float>> [#uses=1] + %t181 = shufflevector <4 x float> %t180, <4 x float> undef, <4 x i32> <i32 1, i32 2, i32 3, i32 0> ; <<4 x float>> [#uses=1] + %t182 = shufflevector <4 x float> %t174, <4 x float> %t175, <4 x i32> <i32 4, i32 1, i32 2, i32 3> ; <<4 x float>> [#uses=1] + %t183 = shufflevector <4 x float> %t182, <4 x float> undef, <4 x i32> <i32 1, i32 2, i32 3, i32 0> ; <<4 x float>> [#uses=1] + %t184 = fmul <4 x float> %t177, %t140 ; <<4 x float>> [#uses=1] + %t185 = fadd <4 x float> %t140, %t55 ; <<4 x float>> [#uses=2] + %t186 = fmul <4 x float> %t179, %t142 ; <<4 x float>> [#uses=1] + %t187 = fmul <4 x float> %t181, %t141 ; <<4 x float>> [#uses=1] + %t188 = fmul <4 x float> %t183, %t139 ; <<4 x float>> [#uses=1] + store <4 x float> %t184, <4 x float>* %t160 + store <4 x float> %t186, <4 x float>* %t163 + store <4 x float> %t187, <4 x float>* %t166 + store <4 x float> %t188, <4 x float>* %t169 + %t189 = fadd <4 x float> %t139, %t55 ; <<4 x float>> [#uses=1] + %t190 = fadd <4 x float> %t141, %t55 ; <<4 x float>> [#uses=1] + %t191 = fadd <4 x float> %t142, %t55 ; <<4 x float>> [#uses=1] + %t192 = icmp sgt i64 %t171, 15 ; <i1> [#uses=1] + %t193 = add i64 %t138, 1 ; <i64> [#uses=1] + br i1 %t192, label %bb137, label %bb119 + +bb194: ; preds = %bb119, %bb118, %bb112 + %t195 = phi i64 [ %t116, %bb112 ], [ %t171, %bb119 ], [ %t24, %bb118 ] ; <i64> [#uses=2] + %t196 = phi <4 x float> [ %t115, %bb112 ], [ %t185, %bb119 ], [ %t50, %bb118 ] ; <<4 x float>> [#uses=1] + %t197 = phi float* [ %t114, %bb112 ], [ %t121, %bb119 ], [ %t25, %bb118 ] ; <float*> [#uses=1] + %t198 = phi float* [ %t113, %bb112 ], [ %t120, %bb119 ], [ %t26, %bb118 ] ; <float*> [#uses=1] + %t199 = extractelement <4 x float> %t196, i32 0 ; <float> [#uses=2] + %t200 = icmp sgt i64 %t195, 0 ; <i1> [#uses=1] + br i1 %t200, label %bb201, label %bb211 + +bb201: ; preds = %bb201, %bb194 + %t202 = phi i64 [ %t209, %bb201 ], [ 0, %bb194 ] ; <i64> [#uses=3] + %t203 = phi float [ %t208, %bb201 ], [ %t199, %bb194 ] ; <float> [#uses=2] + %t204 = getelementptr float* %t198, i64 %t202 ; <float*> [#uses=1] + %t205 = getelementptr float* %t197, i64 %t202 ; <float*> [#uses=1] + %t206 = load float* %t204 ; <float> [#uses=1] + %t207 = fmul float %t203, %t206 ; <float> [#uses=1] + store float %t207, float* %t205 + %t208 = fadd float %t203, %t8 ; <float> [#uses=2] + %t209 = add i64 %t202, 1 ; <i64> [#uses=2] + %t210 = icmp eq i64 %t209, %t195 ; <i1> [#uses=1] + br i1 %t210, label %bb211, label %bb201 + +bb211: ; preds = %bb201, %bb194 + %t212 = phi float [ %t199, %bb194 ], [ %t208, %bb201 ] ; <float> [#uses=1] + store float %t212, float* %arg2 + ret void + +bb213: ; preds = %bb + ret void +} |