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-rw-r--r--test/CodeGen/PowerPC/2008-09-12-CoalescerBug.ll254
1 files changed, 254 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/2008-09-12-CoalescerBug.ll b/test/CodeGen/PowerPC/2008-09-12-CoalescerBug.ll
new file mode 100644
index 000000000000..c181b1c97021
--- /dev/null
+++ b/test/CodeGen/PowerPC/2008-09-12-CoalescerBug.ll
@@ -0,0 +1,254 @@
+; RUN: llvm-as < %s | llc -mtriple=powerpc-apple-darwin
+
+ %struct.CGLDI = type { %struct.cgli*, i32, i32, i32, i32, i32, i8*, i32, void (%struct.CGLSI*, i32, %struct.CGLDI*)*, i8*, %struct.vv_t }
+ %struct.cgli = type { i32, %struct.cgli*, void (%struct.cgli*, i8*, i8*, i32, i32, i32, i32, i32, i32, i32, i32)*, i32, i8*, i8*, i8*, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, float, i8*, i32*, %struct._cgro*, %struct._cgro*, float, float, float, float, i32, i8*, float, i8*, [16 x i32] }
+ %struct.CGLSI = type { %struct.cgli*, i32, i8*, i8*, i32, i32, i8*, void (%struct.cgli*, i8*, i8*, i32, i32, i32, i32, i32, i32, i32, i32)*, %struct.vv_t, %struct.vv_t, %struct.xx_t* }
+ %struct._cgro = type opaque
+ %struct.xx_t = type { [3 x %struct.vv_t], [2 x %struct.vv_t], [2 x [3 x i8*]] }
+ %struct.vv_t = type { <16 x i8> }
+@llvm.used = appending global [1 x i8*] [ i8* bitcast (void (%struct.CGLSI*, i32, %struct.CGLDI*)* @lb to i8*) ], section "llvm.metadata" ; <[1 x i8*]*> [#uses=0]
+
+define void @lb(%struct.CGLSI* %src, i32 %n, %struct.CGLDI* %dst) nounwind {
+entry:
+ %0 = load i32* null, align 4 ; <i32> [#uses=1]
+ %1 = icmp sgt i32 %0, 0 ; <i1> [#uses=1]
+ br i1 %1, label %bb.nph4945, label %return
+
+bb.nph4945: ; preds = %entry
+ %2 = bitcast [2 x %struct.vv_t]* null to i64* ; <i64*> [#uses=6]
+ %3 = getelementptr [2 x i64]* null, i32 0, i32 1 ; <i64*> [#uses=6]
+ %4 = bitcast %struct.vv_t* null to i64* ; <i64*> [#uses=5]
+ %5 = getelementptr [2 x i64]* null, i32 0, i32 1 ; <i64*> [#uses=3]
+ br label %bb2326
+
+bb2217: ; preds = %bb2326
+ %6 = or i64 0, 0 ; <i64> [#uses=2]
+ %7 = fptosi float 0.000000e+00 to i32 ; <i32> [#uses=1]
+ %8 = fptosi float 0.000000e+00 to i32 ; <i32> [#uses=1]
+ %9 = getelementptr float* null, i32 2 ; <float*> [#uses=1]
+ %10 = load float* %9, align 4 ; <float> [#uses=1]
+ %11 = getelementptr float* null, i32 3 ; <float*> [#uses=1]
+ %12 = load float* %11, align 4 ; <float> [#uses=1]
+ %13 = mul float %10, 6.553500e+04 ; <float> [#uses=1]
+ %14 = add float %13, 5.000000e-01 ; <float> [#uses=1]
+ %15 = mul float %12, 6.553500e+04 ; <float> [#uses=1]
+ %16 = add float %15, 5.000000e-01 ; <float> [#uses=3]
+ %17 = fcmp olt float %14, 0.000000e+00 ; <i1> [#uses=0]
+ %18 = fcmp olt float %16, 0.000000e+00 ; <i1> [#uses=1]
+ br i1 %18, label %bb2265, label %bb2262
+
+bb2262: ; preds = %bb2217
+ %19 = fcmp ogt float %16, 6.553500e+04 ; <i1> [#uses=1]
+ br i1 %19, label %bb2264, label %bb2265
+
+bb2264: ; preds = %bb2262
+ br label %bb2265
+
+bb2265: ; preds = %bb2264, %bb2262, %bb2217
+ %f3596.0 = phi float [ 6.553500e+04, %bb2264 ], [ 0.000000e+00, %bb2217 ], [ %16, %bb2262 ] ; <float> [#uses=1]
+ %20 = fptosi float 0.000000e+00 to i32 ; <i32> [#uses=1]
+ %21 = fptosi float %f3596.0 to i32 ; <i32> [#uses=1]
+ %22 = zext i32 %7 to i64 ; <i64> [#uses=1]
+ %23 = shl i64 %22, 48 ; <i64> [#uses=1]
+ %24 = zext i32 %8 to i64 ; <i64> [#uses=1]
+ %25 = shl i64 %24, 32 ; <i64> [#uses=1]
+ %26 = sext i32 %20 to i64 ; <i64> [#uses=1]
+ %27 = shl i64 %26, 16 ; <i64> [#uses=1]
+ %28 = sext i32 %21 to i64 ; <i64> [#uses=1]
+ %29 = or i64 %25, %23 ; <i64> [#uses=1]
+ %30 = or i64 %29, %27 ; <i64> [#uses=1]
+ %31 = or i64 %30, %28 ; <i64> [#uses=2]
+ %32 = shl i64 %6, 48 ; <i64> [#uses=1]
+ %33 = shl i64 %31, 32 ; <i64> [#uses=1]
+ %34 = and i64 %33, 281470681743360 ; <i64> [#uses=1]
+ store i64 %6, i64* %2, align 16
+ store i64 %31, i64* %3, align 8
+ %35 = getelementptr i8* null, i32 0 ; <i8*> [#uses=1]
+ %36 = bitcast i8* %35 to float* ; <float*> [#uses=4]
+ %37 = load float* %36, align 4 ; <float> [#uses=1]
+ %38 = getelementptr float* %36, i32 1 ; <float*> [#uses=1]
+ %39 = load float* %38, align 4 ; <float> [#uses=1]
+ %40 = mul float %37, 6.553500e+04 ; <float> [#uses=1]
+ %41 = add float %40, 5.000000e-01 ; <float> [#uses=1]
+ %42 = mul float %39, 6.553500e+04 ; <float> [#uses=1]
+ %43 = add float %42, 5.000000e-01 ; <float> [#uses=3]
+ %44 = fcmp olt float %41, 0.000000e+00 ; <i1> [#uses=0]
+ %45 = fcmp olt float %43, 0.000000e+00 ; <i1> [#uses=1]
+ br i1 %45, label %bb2277, label %bb2274
+
+bb2274: ; preds = %bb2265
+ %46 = fcmp ogt float %43, 6.553500e+04 ; <i1> [#uses=0]
+ br label %bb2277
+
+bb2277: ; preds = %bb2274, %bb2265
+ %f1582.0 = phi float [ 0.000000e+00, %bb2265 ], [ %43, %bb2274 ] ; <float> [#uses=1]
+ %47 = fptosi float 0.000000e+00 to i32 ; <i32> [#uses=1]
+ %48 = fptosi float %f1582.0 to i32 ; <i32> [#uses=1]
+ %49 = getelementptr float* %36, i32 2 ; <float*> [#uses=1]
+ %50 = load float* %49, align 4 ; <float> [#uses=1]
+ %51 = getelementptr float* %36, i32 3 ; <float*> [#uses=1]
+ %52 = load float* %51, align 4 ; <float> [#uses=1]
+ %53 = mul float %50, 6.553500e+04 ; <float> [#uses=1]
+ %54 = add float %53, 5.000000e-01 ; <float> [#uses=1]
+ %55 = mul float %52, 6.553500e+04 ; <float> [#uses=1]
+ %56 = add float %55, 5.000000e-01 ; <float> [#uses=1]
+ %57 = fcmp olt float %54, 0.000000e+00 ; <i1> [#uses=0]
+ %58 = fcmp olt float %56, 0.000000e+00 ; <i1> [#uses=0]
+ %59 = fptosi float 0.000000e+00 to i32 ; <i32> [#uses=1]
+ %60 = fptosi float 0.000000e+00 to i32 ; <i32> [#uses=1]
+ %61 = zext i32 %47 to i64 ; <i64> [#uses=1]
+ %62 = shl i64 %61, 48 ; <i64> [#uses=1]
+ %63 = zext i32 %48 to i64 ; <i64> [#uses=1]
+ %64 = shl i64 %63, 32 ; <i64> [#uses=1]
+ %65 = sext i32 %59 to i64 ; <i64> [#uses=1]
+ %66 = shl i64 %65, 16 ; <i64> [#uses=1]
+ %67 = sext i32 %60 to i64 ; <i64> [#uses=1]
+ %68 = or i64 %64, %62 ; <i64> [#uses=1]
+ %69 = or i64 %68, %66 ; <i64> [#uses=1]
+ %70 = or i64 %69, %67 ; <i64> [#uses=2]
+ %71 = getelementptr i8* null, i32 0 ; <i8*> [#uses=1]
+ %72 = bitcast i8* %71 to float* ; <float*> [#uses=4]
+ %73 = load float* %72, align 4 ; <float> [#uses=1]
+ %74 = getelementptr float* %72, i32 1 ; <float*> [#uses=1]
+ %75 = load float* %74, align 4 ; <float> [#uses=1]
+ %76 = mul float %73, 6.553500e+04 ; <float> [#uses=1]
+ %77 = add float %76, 5.000000e-01 ; <float> [#uses=3]
+ %78 = mul float %75, 6.553500e+04 ; <float> [#uses=1]
+ %79 = add float %78, 5.000000e-01 ; <float> [#uses=1]
+ %80 = fcmp olt float %77, 0.000000e+00 ; <i1> [#uses=1]
+ br i1 %80, label %bb2295, label %bb2292
+
+bb2292: ; preds = %bb2277
+ %81 = fcmp ogt float %77, 6.553500e+04 ; <i1> [#uses=1]
+ br i1 %81, label %bb2294, label %bb2295
+
+bb2294: ; preds = %bb2292
+ br label %bb2295
+
+bb2295: ; preds = %bb2294, %bb2292, %bb2277
+ %f0569.0 = phi float [ 6.553500e+04, %bb2294 ], [ 0.000000e+00, %bb2277 ], [ %77, %bb2292 ] ; <float> [#uses=1]
+ %82 = fcmp olt float %79, 0.000000e+00 ; <i1> [#uses=0]
+ %83 = fptosi float %f0569.0 to i32 ; <i32> [#uses=1]
+ %84 = fptosi float 0.000000e+00 to i32 ; <i32> [#uses=1]
+ %85 = getelementptr float* %72, i32 2 ; <float*> [#uses=1]
+ %86 = load float* %85, align 4 ; <float> [#uses=1]
+ %87 = getelementptr float* %72, i32 3 ; <float*> [#uses=1]
+ %88 = load float* %87, align 4 ; <float> [#uses=1]
+ %89 = mul float %86, 6.553500e+04 ; <float> [#uses=1]
+ %90 = add float %89, 5.000000e-01 ; <float> [#uses=1]
+ %91 = mul float %88, 6.553500e+04 ; <float> [#uses=1]
+ %92 = add float %91, 5.000000e-01 ; <float> [#uses=1]
+ %93 = fcmp olt float %90, 0.000000e+00 ; <i1> [#uses=0]
+ %94 = fcmp olt float %92, 0.000000e+00 ; <i1> [#uses=0]
+ %95 = fptosi float 0.000000e+00 to i32 ; <i32> [#uses=1]
+ %96 = fptosi float 0.000000e+00 to i32 ; <i32> [#uses=1]
+ %97 = zext i32 %83 to i64 ; <i64> [#uses=1]
+ %98 = shl i64 %97, 48 ; <i64> [#uses=1]
+ %99 = zext i32 %84 to i64 ; <i64> [#uses=1]
+ %100 = shl i64 %99, 32 ; <i64> [#uses=1]
+ %101 = sext i32 %95 to i64 ; <i64> [#uses=1]
+ %102 = shl i64 %101, 16 ; <i64> [#uses=1]
+ %103 = sext i32 %96 to i64 ; <i64> [#uses=1]
+ %104 = or i64 %100, %98 ; <i64> [#uses=1]
+ %105 = or i64 %104, %102 ; <i64> [#uses=1]
+ %106 = or i64 %105, %103 ; <i64> [#uses=2]
+ %107 = shl i64 %70, 16 ; <i64> [#uses=1]
+ %108 = and i64 %107, 4294901760 ; <i64> [#uses=1]
+ %109 = and i64 %106, 65535 ; <i64> [#uses=1]
+ %110 = or i64 %34, %32 ; <i64> [#uses=1]
+ %111 = or i64 %110, %108 ; <i64> [#uses=1]
+ %112 = or i64 %111, %109 ; <i64> [#uses=1]
+ store i64 %70, i64* %4, align 16
+ store i64 %106, i64* %5, align 8
+ %113 = icmp eq i64 %112, 0 ; <i1> [#uses=1]
+ br i1 %113, label %bb2325, label %bb2315
+
+bb2315: ; preds = %bb2295
+ %114 = icmp eq %struct.xx_t* %159, null ; <i1> [#uses=1]
+ br i1 %114, label %bb2318, label %bb2317
+
+bb2317: ; preds = %bb2315
+ %115 = load i64* %2, align 16 ; <i64> [#uses=1]
+ %116 = call i32 (...)* @_u16a_cm( i64 %115, %struct.xx_t* %159, double 0.000000e+00, double 1.047551e+06 ) nounwind ; <i32> [#uses=1]
+ %117 = sext i32 %116 to i64 ; <i64> [#uses=1]
+ store i64 %117, i64* %2, align 16
+ %118 = load i64* %3, align 8 ; <i64> [#uses=1]
+ %119 = call i32 (...)* @_u16a_cm( i64 %118, %struct.xx_t* %159, double 0.000000e+00, double 1.047551e+06 ) nounwind ; <i32> [#uses=1]
+ %120 = sext i32 %119 to i64 ; <i64> [#uses=1]
+ store i64 %120, i64* %3, align 8
+ %121 = load i64* %4, align 16 ; <i64> [#uses=1]
+ %122 = call i32 (...)* @_u16a_cm( i64 %121, %struct.xx_t* %159, double 0.000000e+00, double 1.047551e+06 ) nounwind ; <i32> [#uses=1]
+ %123 = sext i32 %122 to i64 ; <i64> [#uses=1]
+ store i64 %123, i64* %4, align 16
+ %124 = load i64* %5, align 8 ; <i64> [#uses=1]
+ %125 = call i32 (...)* @_u16a_cm( i64 %124, %struct.xx_t* %159, double 0.000000e+00, double 1.047551e+06 ) nounwind ; <i32> [#uses=0]
+ unreachable
+
+bb2318: ; preds = %bb2315
+ %126 = getelementptr %struct.CGLSI* %src, i32 %indvar5021, i32 8 ; <%struct.vv_t*> [#uses=1]
+ %127 = bitcast %struct.vv_t* %126 to i64* ; <i64*> [#uses=1]
+ %128 = load i64* %127, align 8 ; <i64> [#uses=1]
+ %129 = trunc i64 %128 to i32 ; <i32> [#uses=4]
+ %130 = load i64* %2, align 16 ; <i64> [#uses=1]
+ %131 = call i32 (...)* @_u16_ff( i64 %130, i32 %129 ) nounwind ; <i32> [#uses=1]
+ %132 = sext i32 %131 to i64 ; <i64> [#uses=1]
+ store i64 %132, i64* %2, align 16
+ %133 = load i64* %3, align 8 ; <i64> [#uses=1]
+ %134 = call i32 (...)* @_u16_ff( i64 %133, i32 %129 ) nounwind ; <i32> [#uses=1]
+ %135 = sext i32 %134 to i64 ; <i64> [#uses=1]
+ store i64 %135, i64* %3, align 8
+ %136 = load i64* %4, align 16 ; <i64> [#uses=1]
+ %137 = call i32 (...)* @_u16_ff( i64 %136, i32 %129 ) nounwind ; <i32> [#uses=1]
+ %138 = sext i32 %137 to i64 ; <i64> [#uses=1]
+ store i64 %138, i64* %4, align 16
+ %139 = load i64* %5, align 8 ; <i64> [#uses=1]
+ %140 = call i32 (...)* @_u16_ff( i64 %139, i32 %129 ) nounwind ; <i32> [#uses=0]
+ unreachable
+
+bb2319: ; preds = %bb2326
+ %141 = getelementptr %struct.CGLSI* %src, i32 %indvar5021, i32 2 ; <i8**> [#uses=1]
+ %142 = load i8** %141, align 4 ; <i8*> [#uses=4]
+ %143 = getelementptr i8* %142, i32 0 ; <i8*> [#uses=1]
+ %144 = call i32 (...)* @_u16_sf32( double 0.000000e+00, double 6.553500e+04, double 5.000000e-01, i8* %143 ) nounwind ; <i32> [#uses=1]
+ %145 = sext i32 %144 to i64 ; <i64> [#uses=2]
+ %146 = getelementptr i8* %142, i32 0 ; <i8*> [#uses=1]
+ %147 = call i32 (...)* @_u16_sf32( double 0.000000e+00, double 6.553500e+04, double 5.000000e-01, i8* %146 ) nounwind ; <i32> [#uses=1]
+ %148 = sext i32 %147 to i64 ; <i64> [#uses=2]
+ %149 = shl i64 %145, 48 ; <i64> [#uses=0]
+ %150 = shl i64 %148, 32 ; <i64> [#uses=1]
+ %151 = and i64 %150, 281470681743360 ; <i64> [#uses=0]
+ store i64 %145, i64* %2, align 16
+ store i64 %148, i64* %3, align 8
+ %152 = getelementptr i8* %142, i32 0 ; <i8*> [#uses=1]
+ %153 = call i32 (...)* @_u16_sf32( double 0.000000e+00, double 6.553500e+04, double 5.000000e-01, i8* %152 ) nounwind ; <i32> [#uses=1]
+ %154 = sext i32 %153 to i64 ; <i64> [#uses=0]
+ %155 = getelementptr i8* %142, i32 0 ; <i8*> [#uses=1]
+ %156 = call i32 (...)* @_u16_sf32( double 0.000000e+00, double 6.553500e+04, double 5.000000e-01, i8* %155 ) nounwind ; <i32> [#uses=0]
+ unreachable
+
+bb2325: ; preds = %bb2326, %bb2295
+ %indvar.next5145 = add i32 %indvar5021, 1 ; <i32> [#uses=1]
+ br label %bb2326
+
+bb2326: ; preds = %bb2325, %bb.nph4945
+ %indvar5021 = phi i32 [ 0, %bb.nph4945 ], [ %indvar.next5145, %bb2325 ] ; <i32> [#uses=6]
+ %157 = icmp slt i32 %indvar5021, %n ; <i1> [#uses=0]
+ %158 = getelementptr %struct.CGLSI* %src, i32 %indvar5021, i32 10 ; <%struct.xx_t**> [#uses=1]
+ %159 = load %struct.xx_t** %158, align 4 ; <%struct.xx_t*> [#uses=5]
+ %160 = getelementptr %struct.CGLSI* %src, i32 %indvar5021, i32 1 ; <i32*> [#uses=1]
+ %161 = load i32* %160, align 4 ; <i32> [#uses=1]
+ %162 = and i32 %161, 255 ; <i32> [#uses=1]
+ switch i32 %162, label %bb2325 [
+ i32 59, label %bb2217
+ i32 60, label %bb2319
+ ]
+
+return: ; preds = %entry
+ ret void
+}
+
+declare i32 @_u16_ff(...)
+
+declare i32 @_u16a_cm(...)
+
+declare i32 @_u16_sf32(...)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-11 22:23:59 +0000